Rwandan President Paul Kagame has told CNN he doesn’t know if his country’s troops are in the east of the Democratic Republic of Congo (DRC), where fighting between the M23 armed group and Congolese soldiers has killed more than 700 people and injured thousands in recent days.

Kenya has announced a virtual crisis summit, but Congolese state media says President Felix Tshisekedi will not attend.

To better understand the three-year insurgency, have a look at some of our strongest reporting.