Two drug peddlers were killed while one policeman and a passerby were injured in an alleged police encounter in Kamonki, reported 24NewsHD TV channel on Thursday.
According to police, the slain drug dealers were identified as Rashid Gujjar and Shehzad.
The exchange of fire with the slain drug dealers continued for four to five hours, the police said.
Head constable Sajjad and a passerby Waqar were injured in the firing by the accused.
Reporter: Sheikh Rasheed