Pakistan-Afghanistan clash to reshape regional political landscape
Pakistan and Afghanistan engaged in intense cross-border clashes on the evening of Feb. 26. Pakistan claims to have killed 36 Afghan armed personnel, while Afghanistan says it killed 55 Pakistani soldiers.

Pakistani soldiers patrol near the Pakistan-Afghanistan border crossing in Chaman on Friday.
This border conflict is not an isolated "accidental exchange of fire," but rather the culmination of three intertwined contradictions: the century-old grievances over the Durand Line, the security dilemma in counter-terrorism, and the survival logic of the two regimes. The incident signals a shift in South Asia from "proxy shadow wars" to "quasi-state warfare", reshaping the regional political landscape.
Pakistani Defense Minister Khawaja Asif declared an "open war," breaking the long-standing tacit understanding of "counter-terrorism without opposing the regime" and directly defining the Afghan interim government as an adversary. The original "China-Pakistan-Afghanistan" triangular stabilization belt (with China mediating, Pakistan maintaining stability, and Afghanistan transitioning) has been completely torn apart.
The conflict zone is adjacent to the Khyber-Pakhtunkhwa province, a strategic artery of the China-Pakistan Economic Corridor (CPEC). The spillover of hostilities directly threatens the safety of Chinese project personnel in Pakistan, forcing China to shift from a mediator advocating "peace talks" to a border controller focused on "strict prevention."
Russia and Iran used to counterbalance the US by recognizing the Afghan Taliban regime, but now war has broken out between Pakistan and Afghanistan. If the Taliban regime collapses, Russia would lose a crucial foothold in Central Asia. Meanwhile, Iran would face the dual pressures of a refugee surge and the strengthening of Baloch separatist groups.
For India, this is a geopolitical dividend for the Modi government. Pakistan is now caught in a "two-front confrontation," draining its military strength and finances. India could seize this opportunity to strengthen its intelligence presence in Afghanistan, but it must also be wary of terrorists infiltrating Indian-controlled Kashmir through Afghanistan.
The United States neither wants the Taliban regime to collapse, leading to a power vacuum, nor does it want Pakistan to spiral out of control (as a nuclear power). Washington's most likely move is "offshore balancing" through Saudi Arabia or Qatar, rather than direct military intervention.
For China, this is a most severe security challenge that the Belt and Road Initiative (BRI) has ever faced in South Asia. It is imperative to close the border gates, while military preparedness along the China-Pakistan border must be strengthened to prevent the TTP or BLA from exploiting the turmoil to attack Chinese projects.