QUETT - At least six Frontier Corps personnel were killed on Tuesday and 10 others sustained injures in a road accident in Dera Bugti, about 500 kilometres southeast of Quetta. According to FC officials, a vehicle was carrying troops from Dera Bugti to Sui when it overturned while negotiating a turn in Pesh Bogi area, killing six personnel on the spot and injuring 10 others. The injured were shifted to hospital where the condition of three was critical.