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Pakistan and Afghanistan have entered one of the most serious periods of confrontation in their recent history, a crisis that has steadily evolved into repeated military exchanges, retaliatory operations, and growing diplomatic tensions. While the conflict has received limited international attention compared to other ongoing crises, its consequences extend beyond the two countries involved and continued military responses could further destabilise a region already experiencing wider geopolitical tensions.
The roots of contemporary tensions between Pakistan and Afghanistan are deeply tied to the disputed Durand Line, the 2,640-kilometer border established by British colonial authorities in 1893. Since Pakistan’s creation in 1947, successive Afghan governments have questioned the legitimacy of the border, arguing that it divided Pashtun tribal communities across both sides of the frontier. As a result, the Durand Line evolved beyond a territorial dispute into a broader issue linked to sovereignty, ethnic identity, and regional influence.[1]
For decades, Pakistan and Afghanistan enjoyed good relations, especially during the 1990s. Pakistan was one of only three governments to extend formal diplomatic recognition to the Taliban administration in Afghanistan during the late 1990s, together with Saudi Arabia and the United Arab Emirates.[2] Following the U.S.-led intervention in Afghanistan after 2001, this relationship became more complex and increasingly covert, with numerous reports suggesting that Pakistan’s intelligence agency, the Inter-Services Intelligence, continued to provide sanctuary and logistical support to the Taliban during the conflict. When the Taliban returned to power in Kabul in August 2021, many Pakistani officials initially welcomed the development, expecting stronger bilateral cooperation on regional security matters.[3]
However, these expectations quickly deteriorated and the post-2021 period increasingly revealed a structural reversal: Pakistan now found itself in tension not only with the Afghan state, but with the Taliban movement it had once supported. A major source of tension emerged from the resurgence of the Tehrik-i-Taliban Pakistan (TTP), an Islamist militant group responsible for numerous attacks inside Pakistan. Islamabad repeatedly accused the Afghan Taliban of allowing TTP militants to operate from Afghan territory and of failing to prevent cross-border attacks, accusations that have been rejected by the Taliban authorities.[4]
As militant violence intensified after 2022, Pakistan gradually shifted toward a more coercive military posture. According to the Middle East Institute, Islamabad increasingly sought to impose ‘behavioral change’ on the Taliban leadership through punitive military operations and cross-border strikes. This transformation reflected growing frustration within Pakistan’s political and military establishment, which no longer viewed the Afghan Taliban as reliable strategic partners, but increasingly as facilitators of regional instability.[5]
A decisive turning point came in October 2025, when a series of cross-border strikes and retaliatory operations marked one of the most serious escalations in relations since the Taliban’s return to power. The confrontation was triggered by an air strike by Pakistan on Afghanistan, allegedly aimed at attacking the operational infrastructure behind militant attacks in Pakistan. Later that month, Qatar and Turkey facilitated a temporary ceasefire between the Taliban and Pakistani authorities; however, subsequent mediation efforts led by Saudi Arabia failed to produce a lasting agreement, with negotiations collapsing toward the end of 2025.[6]
Against this backdrop, Pakistan’s mass expulsion campaign targeting Afghan refugees, initiated in 2023, became further entrenched. Pakistani authorities framed the policy as a necessary counterterrorism measure. By 2025, Pakistan had deported more than one million Afghans and later that year closed its shared border with Afghanistan.[7] These closures extended beyond restrictions on population movement to include trade and commercial flows, disrupting one of Afghanistan’s most critical economic lifelines. Given Afghanistan’s heavy reliance on imports routed through Pakistan, particularly food and essential goods, the suspension and restriction of cross-border trade placed additional strain on an already fragile economy.[8] Today, the border remains heavily restricted, with crossing access largely limited to deported Afghan nationals.[9]
By early 2026, tensions had evolved beyond sporadic border incidents. The deterioration of relations between Islamabad and Kabul reflects not only competing security concerns, but also deeper historical mistrust, regional rivalries, and unresolved questions surrounding sovereignty and militancy along the Pakistan–Afghanistan border.
On 22 February 2026, Pakistan launched a series of airstrikes targeting locations in Afghanistan it identified as militant strongholds linked to groups such as the TTP. Pakistani authorities stated that the operations were conducted in response to a wave of recent terrorist attacks inside the country, including a major attack on a Shia mosque in Islamabad earlier that month. In response, the Afghan Taliban condemned the strikes, alleging that civilian areas, including a religious school, had been hit, and vowed to retaliate. Such retaliation occurred on 26 February, when the Taliban announced the launch of an offensive targeting Pakistani positions along the Durand Line. The move marked a significant escalation in hostilities and prompted a swift response from Pakistan. On 27 February, Pakistan’s defence minister announced “open war” against the Taliban[10] and retaliatory measures were accompanied by strikes across multiple locations, including Kabul, Kandahar, and the eastern province of Paktia in the border region. The choice of Kabul and Kandahar as targets was politically significant. Kabul is Afghanistan’s administrative capital, while Kandahar is a key Taliban stronghold and the home base of the group’s leadership, with the Taliban’s emir based there and exercising considerable influence over the movement’s internal decision-making structures.[11]
As of 13 March, the United Nations Assistance Mission in Afghanistan (UNAMA) recorded at least 75 civilians killed and 193 injured since the beginning of the escalation in February 2026, although the figures remain preliminary. A few days later, on 16 March 2026, a Pakistani airstrike on the Omid Drug Rehabilitation Hospital in Kabul killed at least 269 people.[12] The developments prompted UNAMA to urge both parties to comply with international law, emphasising the need to avoid attacks on healthcare facilities and to prevent the use of explosive weapons in civilian areas. Pakistan, however, maintained that its operations were exclusively aimed at terrorist and military targets.[13] While the Afghan Taliban has publicly expressed willingness to negotiate with Pakistan, regional observers continue to warn that the conflict could further intensify, deepening instability across a region already affected by the repercussions of the escalating hostilities involving the United States, Israel, and Iran that broke out during the same period.[14]
Despite rising tensions, several regional actors have attempted to mediate between Islamabad and Kabul. China emerged as a particularly important diplomatic intermediary, hosting discussions aimed at reducing hostilities and restoring communication channels between the two governments. Preliminary talks held in the Chinese city of Urumqi in April 2026 reflect growing regional concerns that continued instability could threaten broader economic and security interests, including regional connectivity initiatives and counterterrorism cooperation. However, although diplomatic engagement temporarily reduced tensions, no durable settlement has yet emerged.[15]
Despite the fact that the conflict has received relatively limited international attention compared to other global crises, it has potentially far-reaching consequences for regional stability as well as for Afghanistan itself, which was already facing a severe humanitarian crisis further exacerbated by global reductions in aid funding. Analysts have described the Pakistan–Afghanistan confrontation as “the other war the world is ignoring,” warning that prolonged escalation could strengthen extremist networks, intensify refugee flows, and destabilise South and Central Asia more broadly.[16]
This relative lack of scrutiny has coincided with heightened international focus on other concurrent geopolitical crises, including the escalation between the United States and Iran unfolding during the same week. The latter has likely contributed to a crowded international news cycle in which the Pakistan-Afghanistan crisis has received comparatively reduced sustained policy and media engagement.
At the same time, the conflict represents a first peek at a shifted security landscape in the region, as it is the “first sustained encounter between an incipient Indian ally, Afghanistan, and the Western tip of China’s military spear, Pakistan”.[17]
Historically, Pakistan viewed Afghanistan as a space where it could preserve strategic influence and limit the presence of rival powers, particularly India, while also maintaining broader regional access towards Central Asia. However, the deterioration of relations between Islamabad and Kabul has coincided with efforts by India to re-engage with Afghanistan following the Taliban’s return to power. Although Afghan-Indian ties long predate the Taliban’s return to power, Islamabad increasingly views closer cooperation between Kabul and New Delhi as a direct threat to Pakistan’s national security. Pakistan has grown concerned about Afghanistan’s growing relationship with India, in particular that Afghanistan might become a “proxy for India”. It also fears that continued instability in Afghanistan could allow India to expand its political and security footprint along Pakistan’s northern border, intensifying Islamabad’s longstanding fears of strategic encirclement.[18]
At the same time, Pakistan remains one of China’s closest military and diplomatic partners, with the two countries maintaining deep cooperation in defence, intelligence, and economic affairs. China is also Pakistan’s largest trading partner and has invested heavily in regional connectivity initiatives through the Belt and Road Initiative,[19] including the approximately $62 billion China–Pakistan Economic Corridor, a flagship network of infrastructure and energy projects intended to strengthen regional integration and trade. As both Pakistan and Afghanistan occupy important positions within China’s broader regional strategy, prolonged instability along their shared border risks affecting not only security dynamics but also trade routes, infrastructure investments, and Beijing’s long-term strategic interests.
The broader geopolitical context further raises the stakes. Competition between China and India has persisted for decades, shaped by unresolved territorial disputes and a longstanding strategic rivalry. However, this competition has taken on renewed significance as China increasingly replaced the United States as Pakistan’s principal military partner. Today, Beijing serves as Pakistan’s primary supplier of military equipment and a key diplomatic ally, reinforcing a strategic alignment that inevitably influences regional calculations. This partnership faced a notable challenge during India’s 2025 “Operation Sindoor,” a limited military operation conducted inside Pakistani territory in response to terrorist attacks in India. Chinese support gave Pakistan a significant operational advantage, an episode that would suggest that Chinese military assistance may be reshaping the balance of capabilities in future India–Pakistan confrontations.[20]
Given these considerations, the current Pakistan–Afghanistan conflict cannot be viewed in isolation, but rather as part of a wider evolving regional security environment shaped by increasingly interconnected and shifting rivalries and external military support structures.
The escalation between Pakistan and Afghanistan reflects the convergence of increasing deterioration of political relations, unresolved border disputes, and evolving regional security dynamics. What began primarily as a counterterrorism challenge linked to TTP has developed into a broader cycle of military confrontation, diplomatic breakdown, and humanitarian strain.
While both Islamabad and Kabul continue to frame their actions in terms of national security, the reliance on military responses has so far contributed to further escalation, increased civilian harm, and deepened mistrust between the two countries.
At the same time, the conflict is unfolding within a wider regional context shaped by shifting alliances and strategic competition involving India and China. These dynamics risk transforming a bilateral crisis into a more complex regional security challenge, with implications for trade, connectivity, and long-term stability across South and Central Asia.
Without sustained diplomatic engagement and credible de-escalation mechanisms, the current trajectory risks entrenching instability and prolonging humanitarian suffering on both sides of the border.
For Pakistani and Afghan authorities:
For Regional Actors (including China, India, and the Gulf States):
For the International Community:
[1] Rick Noack, Haq Nawaz Khan and Shaiq Hussain, ‘Line drawn by 19th-century Britain stokes Pakistan-Taliban tension’ (The Washington Post, 26 October 2025) <https://www.washingtonpost.com/world/2025/10/26/afghanistan-pakistan-border-durand-line/> accessed 22 May 2026
[2] Bruce Riedel, ‘Pakistan, Taliban and the Afghan Quagmire’ (Brookings, 24 August 2013) <https://www.brookings.edu/articles/pakistan-taliban-and-the-afghan-quagmire/> accessed 25 may 2026
[3] Clara Fong, ‘Why Are the Afghan Taliban and Pakistan in an “Open War”?’ (Council on Foreign Relations, 18 March 2026) <https://www.cfr.org/articles/why-are-the-afghan-taliban-and-pakistan-in-an-open-war> accessed 22 May 2026
[4] Clara Fong (n 3)
[5] Naade Ali, ‘Pakistan-Afghanistan Tensions Drifting Into A Dangerous Escalation Cycle’ (Middle East Institute, 30 March 2026) <https://mei.edu/publication/pakistan-afghanistan-tensions-drifting-into-a-dangerous-escalation-cycle/?utm_source=chatgpt.com> accessed 22 May 2026
[6] Clara Fong (n 3)
[7] Clara Fong (n 3)
[8] Ahmad Bilal Khalil, ‘Why Has the Taliban Stopped Trade with Pakistan?’ (The Diplomat, 21 November 2025) <https://thediplomat.com/2025/11/why-has-the-taliban-stopped-trade-with-pakistan/> accessed 25 May 2025
[9] Clara Fong (n 3)
[10] Alexander Palmer and Alexander Margolis, ‘Why Did Pakistan Announce “Open War” Against the Taliban?’ (Center for Strategic & International Studies, 27 February 2026) <https://www.csis.org/analysis/why-did-pakistan-announce-open-war-against-taliban> accessed 22 May 2026
[11] Alexander Palmer and Alexander Margolis (n 10)
[12] BBC, ‘The Kabul rehab centre hit by deadly Pakistani strike’ (BBC, 12 May 2026) <https://www.bbc.com/news/videos/cp8pm97yde3o> accessed 22 May 2026
[13] Al Jazeera, ‘Over 370 Afghans killed in Pakistan conflict in first 3 months of 2026: UN’ (Al Jazeera, 12 May 2026) <https://www.aljazeera.com/news/2026/5/12/over-370-afghans-killed-in-pakistan-conflict-in-first-3-months-of-2026-un> accessed 22 May 2026
[14] Clara Fong (n 3)
[15] Al Jazeera, ‘Pakistan, Afghanistan hold talks in China to end months of conflict’ (Al Jazeera, 2 April 2026) <https://www.aljazeera.com/news/2026/4/2/pakistan-afghanistan-hold-talks-in-china-to-end-months-of-conflict> accessed 22 May 2026
[16] Feryaz Ocakli and Yelena Biberma, ‘The other war the world is ignoring’ (The Interpreter, 13 March 2026) <https://www.lowyinstitute.org/the-interpreter/other-war-world-ignoring> accessed 22 May 2026
[17] Feryaz Ocakli and Yelena Biberma (n 16)
[18] Alexander Palmer and Alexander Margolis (n 10)
[19] Clara Fong (n 3)
[20] Feryaz Ocakli and Yelena Biberma (n 16)
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