actor1: Unidentified Armed Group (Sudan)
actor2: UNISFA: United Nations Interim Security Force for Abyei (2011-)
notes: A landmine in the disputed area around Abyei kills four Ethiopian UN Peacekeepers in a disputed area of Abyei.
target_text: actor1: Unidentified Armed Group (Sudan), actor2: UNISFA: United Nations Interim Security Force for Abyei (2011-)