actor1: AMISOM: African Union Mission in Somalia (2007-)
actor2: Al Shabaab
notes: A suicide bomber dressed in an army uniform detonated an explosive vest at a military checkpoint in Somalia but killed only himself. Officials believe the bomber was a member of al Shabaab.
target_text: actor1: AMISOM: African Union Mission in Somalia (2007-), actor2: Al Shabaab