Four security personnel were killed when unknown assailants opened fire at a vehicle carrying them here on Wednesday.

According to The Dawn, Deputy Inspector General (DIG) Quetta, Razzaq Cheema said the security personnel was on a routine patrol when they were attacked by miscreants in Dukkani Baba area of Sariab Road in the city.

Police and law enforcement personnel reached the spot as an investigation was launched. It has termed the incident as another act of targeted killing in the city.

Security has been tightened in the area to capture the assailants, while the bodies have been shifted to Quetta Civil Hospital.

Sariab Road is considered to be one of the most sensitive parts of the city. The assailants have repeatedly targeted security personnel and government officials in the area.