As Rwanda-backed rebels strolled through the streets of eastern Democratic Republic of Congo's second-largest city, President Felix Tshisekedi's office claimed it was actually still controlled by his army and "valiant" allied forces.

The UN human rights chief accused Rwanda-backed rebels who seized a second major city in eastern Democratic Republic of Congo (DRC) of killing children and attacking hospitals and warehouses storing humanitarian aid.

Rwanda-backed rebels have occupied a second major city in the mineral-rich east of the Democratic Republic of the Congo, the government said, as M23 rebels confirmed they were in Bukavu to restore order after it was abandoned by Congolese forces.