A driver was killed and the conductor injured when their speedy bus overturned in Kuchlak, a suburb of Quetta. "A speedy bus turned turtle in Killi Samali of Kuchlak tehsil," police said on Thursday, adding that resultantly, driver Karam Khan was killed on the spot while conductor Muhammad Khan received serious wounds. The police evacuated the body and the injured to hospital and looking into the incident.