Two police officers were shot dead by their colleague at a quarantine centre in Peshawar on Sunday, reported 24NewsHD TV channel.
The police have arrested the accused, Abbas, who opened fire on Sub-Inspector Gul Rehman and Havaldar Imran at Doranpur Quarantine Centre.
The police said they have arrested the accused and were trying to ascertain the reason behind the shooting.
Reporter Azmat Ali Shah