Director General Inter Services Public Relations Major General Athar Abbas on Thursday said that the Buner operation was resumed today at 6 pm adding that the pace of operation is slow to avoid the collateral damage, ARY OneWorld reported on Thursday. Briefing the newsmen here, the top military spokesman told that four militants were killed and many injured in Dir and Buner operation adding that the life was returning in Lower Dir and people have taken sigh of relief in those areas.