A Pakistani soldier was killed during an exchange of fire with militants in the tribal district of North Waziristan near the Afghan border, the military said Sunday. The shootout took place in the Datta Khel area and security forces quickly started a search-and-clearance operation to locate militants who fled, the military said in a statement. No militant group immediately claimed responsibility. The militant Pakistani Taliban recently extended a cease-fire agreement and are holding talks with Pakistani authorities. North Waziristan and other tribal districts served as a safe haven for local a…