premise: On Sunday, suicide bombers killed 11 African Union (AU) peacekeepers in Somalia and injured at least 15 others. Two bombers drove a truck loaded with explosives into the AU camp housing Burundi soldiers in Mogadishu and detonated it. "These attacks have reached today an unprecedented level, resulting in the killing of 11 Burundian soldiers, while 15 others have sustained serious injuries," the African Union said in a statement. Troops were unloading supplies for their camp when militants drove a truck into the camp, then detonating it.
hypothesis: Eleven African Union peacekeepers were killed in Somalia.