Unknown killers entered in a house in Manzoor Colony and killed Mohammad Tariq, his wife and two children and injured another child with sharp-edged weapons, police officials said.
According to local residents Mohammad Tariq belonged to Dera Ismail Khan.
The dead bodies and eight-year injured Hammad have been shifted to Jinnah Hospital.
According to police the injured could help police to identify the culprits of the killing incident.