A man was gunned down and two others were injured in different incidents of sectarian violence in Dera Ismail Khan, reported the BBC Monday. Unknown motorcyclists shot dead Sikandar Azam, a student while he was waiting for a bus at the university bus stop. In another incident, some armed men resorted to firing in front of the Gomal Medical College wounding Haji Nazir Ahmed and a rickshaw driver. They were rushed to district headquarters hospital for medical treatment.