Four people including the elder of a tribal area and his son were killed in a firing incident in Sorab area of Kalat, Geo TV reported on Wednesday.

Levies sources said, Muhammad Ali along with son and comrades was on his way from Kharan to Siakamb when unidentified armed ambushed his convoy, killing him, his son and two companions.

The dead and injured have been shifted to Sorab Hopital, while the assailant was successful fleeing.