DERA ISMAIL KHAN (Online) - At least three people were killed while another sustained serious by firing of some unknown men in vicinity of University Police Station Dera Ismail Khan on Monday. The unknown motorcyclists opened fire at an under-construction house located on Dara Band road in DI Khan. As a result, Muhammad Nawaz, Jhangir and Mumtaz Hussain were killed and another injured. The injured was taken to hospital for immediate medical treatment. The bodies of the deceased have been sent to their native towns. Soon after the incident, police and security forces cordoned off the entire areas and started search of accused.