At least 13 people -- 10 militants and 3 security personnel -- were killed in a clash between security forces and militants in Balochistan on Thursday. According to the security forces, the gunbattle started when the militants -- reportedly members of the Bugti tribe -- attacked a patrol party in Dera Bugti district in the morning. The clash continued for the entire day in Uch, Gandoi and Zan kho areas. At least five security personnel were also injured in the gunbattle.