At least 400 people have reportedly been killed in an air strike that targeted a hospital for drug users. Afghanistan has accused Pakistan of targeting the hospital in the Afghan capital Kabul. It marked a dramatic escalation of a conflict that began late last month and has seen repeated cross-border clashes as well as air strikes inside Afghanistan. Ensure our latest headlines always appear at the top of your Google Search by making us a Preferred Source. Click here to activate or add us as