Police on Tuesday gunned down a suspected terrorist in an alleged encounter in Khushab. The 'encounter' took place in Katwai area of Khushab, within the remits of Naushera police station, officials said. The suspect reportedly belonged to al Qaeda. Police shifted the body of the deceased to hospital for medico-legal formalities. Earlier, in June an alleged Islamic State commander was killed while three others fled on Wednesday in a police encounter.