QUETTA - Unidentified men opened firing at a car in Quetta, leaving three people dead and another injured, media reported on Monday.

The incident took place on Munir Mengal Road.  Police stated that the reason behind the attack was personal enmity, however, a passer-by was also killed in the firing incident while another was injured.

SSP Sariab Road said the firing incident took place in Quetta's Satellite Town where unknown attackers fired shots on a car carrying two people.

Two men onboard the car and a passerby were killed on the spot before they could be shifted to hospital, he said, adding that another passerby was injured in the attack. 

The car was targeted on Mengal Road. Police shifted the bodies to hospital for postmortem.

Meanwhile, two women were injured in a huge explosion at Chaman city on Monday. The explosion took place in front of main gate of Cantt area of the City.

The site is near office of the Deputy Commissioner, officials said. The local made bomb was planted in motorcycle parked on City Road, local police said. The injured women were shifted to military hospital. No group has claimed responsibility for the blast.