At least 20 Pakistani soldiers were killed on Sunday when an explosion hit an army convoy in the northwestern region of Bannu, intelligence and military sources said.At least two dozen others were wounded in the attack in a town near North Waziristan, a lawless Pakistani region on the Afghan border where many militant groups are holed up in remote mountain camps.Shahidullah Shahid, spokesman for the proscribed Tehrik-i-Taliban Pakistan (TTP) claimed that the militant organisation was responsible for the attack and said that their attacks on security forces would continue.
