Al-Qaeda's chief in Pakistan, who once fought in Jammu and Kashmir, was among four terrorists killed in a US drone attack in Pakistan's restive North Waziristan tribal region on Thursday.

Badar Mansoor, a former commander of the banned Harkat-ul-Mujahideen militant group that was active in Kashmir, was killed with three others when a spy plane fired two missiles at a compound in Miranshah, the main town of North Waziristan tribal agency early this morning, officials were quoted as saying by TV news channels.