source: AFP; AP
actor1: Unidentified Armed Group (Democratic Republic of Congo)
actor2: Civilians (Burundi)
location: Ruhagarika
notes: On 11 May, thirty to fourty armed men with rifles and knives killed 26 people and set fire to buildings in Ruhagarika village in Cibitoke province. The identity of the attackers is unknown, though they are reported to have come from the Democratic Republic of Congo.