By Saleem Shahid in Dawn, April 12th, 2023QUETTA: Four policemen were martyred after an intense gun battle with terrorists in the Killi Spin area of Kuchlak on Tuesday. A heavy contingent of the police’s Counter Terrorism Department (CTD), along with the Frontier Corps, had cordoned off a suspected compound on the tip about the presence of militants involved in Sunday’s attack on a police convoy. The alleged militants resorted to indiscriminate firing using automatic weapons,…