KARACHI-A cop was shot dead in the limits of Pak Colony police station while another person was killed in Landhi area here on Thursday. Police said constable namely Younas Rafique deployed in Pak Colony police station was shot dead when he was sitting outside his home located in Missry Khan village. Police said deceased was shot twice by unknown assailants.The deceased was shifted to the hospital while the culprits managed to flee. No case was registered till filing of this report while police sources said that gangsters of Lyari were behind killing the cop. Another man was shot dead in the number 1, Landhi within the limits of Quaidabad police station. Police said the affiliation of the killed person was yet to be ascertained as tension gripped areas of Landhi. Police shifted the body to the Jinnah Postgraduate Medical Center for autopsy.