actor1: Unidentified Armed Group (Nigeria)
actor2: Civilians (Nigeria)
notes: A bus explosion rocked an area of the Nigerian oil hub city of Port Harcourt on Thursday, a military spokesman said, but the cause and extent of damage remained unclear, though a school is believed to have been destroyed. Boko Haram suspected. Two killed, others injured.
target_text: actor1: Unidentified Armed Group (Nigeria), actor2: Civilians (Nigeria)