A Policeman, identified as head constable Gul Baran, was shot dead by unidentified assailants in the Mallah Khel area of Daraban tehsil (revenue unit) in Dera Ismail Khan District of Khyber Pakhtunkhwa on January 24, reports Dawn. Gul Baran was killed after the unidentified assailants sprayed him with bullets while he was on his way home from a mosque.