KOHAT- Five members of a family were killed by unidentified gunmen, who opened fire on them today. The incident took place in Alizai area of the city, where the gunmen entered into the house of Hashim and killed his family members. The victims were identified as Hashim, his wife Shasheena, son Aamir and two daughters Sadia and Fozia. The police shifted their bodies to a nearby hospital for legal investigation. According to police, the incident was a result of old enmity.