Islamabad , Pakistan ( CNN ) -- The son of the leader of an al Qaeda-linked militant group was killed Thursday night in a suspected U.S. drone strike in Pakistan , officials said . Muhammad Haqqani , son of Jalaluddin Haqqani , was one of the four people killed in the drone strike on a militant compound in Pakistan 's tribal region in North Waziristan , according to two Pakistani intelligence sources . A Taliban source also confirmed the death . The sources asked not to be identified because they are not authorized to speak to the media . Muhammad Haqqani was a commander in the Haqqani network , the sources said . The Haqqani network is an al Qaeda-linked militant group based in Pakistan 's tribal region and is accused of targeting U.S. and international forces across the Afghanistan border . It is closely allied with the Taliban , sources say . U.S. intelligence officials have said they consider the Haqqani network one of the greatest threats to U.S. forces in Afghanistan . U.S. officials normally do not comment on suspected drone strikes , which have caused tension between Pakistan and the United States in the past . The United States is the only country in the region known to have the ability to launch missiles from drones , which are controlled remotely . Journalist Nasir Dawar contributed to this report .
Jalaluddin Haqqani , son of Muhammad Haqqani , killed in Afghanistan , sources say . Pakistani network considered significant threat to U.S. forces in Pakistan . U.S. refuses to comment on drone strikes .