Afghanistan's guard of honor carry the coffin of senior Afghan peace negotiatior Arsala Rahmani at a burial ceremony on Nader Khan hilltop in Kabul on May 14, 2012. Arsala Rahmani, a close ally of President Hamid Karzai, was shot dead on May 13, dealing a major blow to Kabul's efforts to broker peace with Taliban insurgents. Rahmani, a former minister in the Taliban regime, was a "key negotiator" in the High Peace Council (HPC) established by Karzai to hold talks with the insurgents.