ISLAMABAD, June 21 (Xinhua) -- A policeman was killed and three others were injured in a firing incident in Pakistan's northwest Khyber Pakhtunkhwa province on Tuesday, police sources said.
The cops deployed on a check post were on routine duty in Lower Chitral area of the province when the incident happened, police sources told Xinhua.
"The cops tried to stop a vehicle at the check post for checking when the people on board fled by opening fire on them, leaving one policeman killed and the three others injured," the sources added.
There were three people in the vehicle, out of which two have been identified during the investigation process and are being searched for while the third one remains unidentified, the sources said.
The injured policemen have been shifted to a nearby hospital and their condition is stable, said the sources.
The identities of the attackers and their terrorist outfits have not been revealed by the sources, nor did any group claim the attack yet. ■