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.
The Toronto Police declares a machete attack that occurred at an erotic massage parlor in February to be an act of terrorism driven by incel ideology. The attack left one woman dead and another injured.
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.
Rochester, New York, police arrest 25-year-old Emanuel Lutchman who allegedly planned to attack a local bar with knives and machetes and a pressure cooker bomb to prove he was worthy of joining the Islamic State group. Rochester cancels New Year's Eve fireworks.