Rescue crews dig bodies out of the ruins of a Kabul hospital hit in an airstrike blamed on Pakistan

Rescue crews were still digging bodies out of the rubble of a drug rehabilitation hospital in the Afghan capital on Tuesday morning, after officials there said that an overnight Pakistani airstrike killed at least 400 people in a dramatic escalation of a conflict between the two neighbors that is now in its third week.

Pakistan rejected Afghanistan’s accusation that it targeted a hospital, insisting its strikes, which were also conducted in eastern Afghanistan on Monday, were aimed at military facilities. It dismissed Afghanistan’s claims of hundreds of casualties from a strike on a hospital as propaganda.

The casualties were taken to several hospitals in the area. It wasn’t immediately possible to independently confirm the death toll.

The conflict between Afghanistan and Pakistan began in late February, and has seen repeated cross-border clashes as well as airstrikes inside Afghanistan. International calls for a ceasefire have gone unheeded. The strike came hours