At least 11 people were killed Saturday and three more injured when unknown gunmen attacked a passenger vehicle in south-western Pakistan, police and health officials said. The attack occurred near a bus stop in Quetta, the capital of Baluchistan province. Police official Ismail Durrani said the gunmen opened fire on the bus carrying 14 passengers. Zain-Ullah Kakar, head of the Bolan Medical College, told German Press Agency "DPA" by phone that the hospital had received "11 dead including a woman and three injured."