Afghanistan has accused Pakistan of carrying out an airstrike on a hospital in Kabul late Monday, killing at least 400 people.
Officials say the strike hit a large hospital treating drug addiction patients, causing major destruction. Around 250 people were also reported injured.
Pakistan denied the claims, stating it did not target any civilian sites.
The incident marks a sharp escalation in tensions between the two countries, as cross-border clashes continue despite international calls for a ceasefire.