Ukraine withdraws its 250 troops from the United Nations peacekeeping force MONUSCO in the Democratic Republic of the Congo. A Ukrainian Air Force aviation unit also withdraws its eight helicopters from the mission, which made up a third of the UN's fleet.
At least 22 civilians are killed in a mass stabbing attack with knives and machetes, during a raid on villages near the town of Beni in eastern Democratic Republic of the Congo. Islamist militants are suspected to be behind the attack.
Gunmen storm a jail in Beni, Democratic Republic of the Congo, and free more than 1,300 inmates, also attacking the military camp that provides security to the prison. The town's mayor blames the Allied Democratic Forces, which he says used electrical equipment. Twenty inmates return and two are shot dead.
Protestors storm the MONUSCO headquarters in Beni, Democratic Republic of the Congo, and set UN vehicles on fire in anger at the peacekeepers' failure to stop the Allied Democratic Forces insurgency. Congolese security forces fire at the crowd to disperse them, killing at least two.