QUETTA - The guards killed an attacker in District Khuzdar, some 360km southeast of Quetta, as he tried to target the tehsil municipal officer (TMO) on Tuesday. According to reports, Zaro Khan, opened fire on TMO Abdul Qayyum Umrani at Chamrok Road on National Highway. But due to the brisk retaliatory action by the police guards, the attacker was killed on the spot while the TMO remained unhurt. During the cross fire, a cop, identified as Abdul Khaliq, also received bullet wounds. Police have shifted the body to the local hospital for autopsy and started investigation. The motive behind the attack is stated to be old enmity.