(Reuters) — At least 39 people were killed and several others were injured when a bus collided with a vehicle pulling a trailer on the National Highway in southern Pakistan early on Sunday (April 20), local media reported. The bus was travelling from Dera Ghazi Khan in the central Punjab province to the port city ofKarachi when it hit the vehicle coming from the opposite direction, security personnel said. The bus was carrying more than 50 passengers when it lost control and collided head-on, […]