QUETTA - Four persons were killed and two others got injured in two separate road mishaps in different areas of Balochistan on Thursday. In the first incident, a Karachi bound car rammed into a trailer coming from front side near Wadh area of district Khuzdar, some 320 km south of Quetta on main Karachi-Quetta highway. As a result two occupants of the car were killed on the spot while one got injured. The deceased were identified as Mohammad Nazir and Sunjar Khan while the name of injured could not be ascertained. The police arrested the driver of the trailer and started investigations. In a similar accident occurred in Muslim Bagh of district Killa Saifullah, some 120 km northeast of Quetta, a speeding car turned turtle after hitting a motorcycle on main road. As a result both motorcyclists and the car driver received injuries, but later succumbed to their injuries. They were identified as Mohammad Aslam, Mohammad Ibrahim and Engineer Khalid. However, an occupant of the car was reported to have received injuries.