actor1: Al Shabaab
actor2: AMISOM: African Union Mission in Somalia (2007-)
notes: Mortar shells have killed 4 AMISOM African Union troops and wounded 8 others around the presidential palace Villa Somalia in the Somali capital Mogadishu, according to the spokesman for AMISOM.
target_text: actor1: Al Shabaab, actor2: AMISOM: African Union Mission in Somalia (2007-)