The armed men used guns and machetes to attack residents of villages in Beni territory, in North Kivu province.
Russia says for first time that ISIL coordinated the concert hall assault in Moscow, in which more than 140 people died.
President Filipe Nyusi said the country’s army is battling ISIL-linked groups in gas-rich Cabo Delgado’s Macomia.
Officials says Russians do not have access to US forces at Airbase 101 as Moscow’s troops deployed to a separate hanger.