QUETTA – Four persons were shot dead in three separate incidents of firing in Khuzdar, some 360 kilometers away from the provincial capital of Quetta on Monday.In the first incident, unknown armed men riding a motorbike opened fire at a person sitting at a stationary shop located on Mashkay Road of Khuzdar, killing him on the spot. The body was moved to a nearby hospital where he was identified as Sanaullah. In the second incident, two persons sustained multiple bullet injuries when armed men sprayed volley of bullets on them at Rai chowk. They died on the way to hospital. They were identified as Muhammad Ashraf and Raiz Ahmed residents of Nizambad Khuzdar. Separately, a person namely Imran was killed by gunmen on Karakh Road while his companion Zahid received bullet injuries in the firing.Local administration has started probe into the killings.