Islamabad says it hit militant infrastructure in southern Afghanistan after alleged Taliban-linked drone attacks, deepening a rapidly worsening standoff along the border.

Sources in the Pakistani Taliban told RFE/RL that the group’s leadership has been ordered to relocate from the Afghan capital, Kabul, where it is allegedly based.

Pakistan accused Afghan border forces of targeting civilians in a new spate of border clashes, which it said killed at least nine people and injured 15 in the last two days, Islamabad's information minister said late Friday.

Pakistan’s use of nuclear blackmail against its adversaries has enabled a strategy of regional aggression—most recently seen in Afghanistan. Pakistan’s bombing of Afghanistan over the past few weeks has again exposed something the world would prefer ...