In Karachi‚ 4 persons were injured when some unknown culprits threw a hand grenade at the car of a local contractor at Khyber Chowk area of Baldia Town a short while ago.
According to police sources‚ the 2 injured are the relatives of the contractor who were riding with him in the car while the contractor himself remained safe in the attack.
The injured have been shifted to the hospital.
