QUETTA: Unidentified persons barged into a house in Harnai near Quetta on Thursday and opened indiscriminate fire killing four persons on the spot and injuring a woman.

The dead and injured composed a family. The attackers managed to escape from the scene after the incident.

Police, after reaching the crime scene, shifted the dead and injured to a nearby hospital. Police sources said that the motive behind the killing is not yet known.