PESHAWAR: At least three Frontier Corps personnel and two policemen embraced martyrdom in separate incidents of terrorism in Khyber Pakhtunkhwa’s Upper Dir, Kohat, and Mohmand districts, sources said on Saturday. Sources said militants ambushed Bara Rifles’ 163 Wing in Upper Dir’s Barawal tehsil, leading to a fierce exchange of fire. The checkpost, which is a few hundred metres from the …