A man in police uniform opened fire and killed three policemen in southern Kandahar province, a former Taliban stronghold on Monday evening, the provincial administration said Tuesday. The deadly attack took place in Nalgham area of Jalai district on Monday night and the attacker escaped after killing three policemen, said provincial administration spokesman Jawed Faisal. A certain Qari Yusuf Ahmadi, who claims to speak for the Taliban outfit, said via telephone from an unknown location that a Taliban loyalist had joined to the group\'s ranks after killing three policemen in Jalai district.