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.

Volker Türk said Tuesday that his office "confirmed cases of summary execution of children by M23 after they entered the city of Bukavu last week."

DAKAR, Senegal (AP) — The U.N. human rights chief accused Rwanda-backed rebels who seized a second major city in eastern Congo of killing children and attacking hospitals and warehouses storing humanitarian aid.

Rwanda rejects allegations from Congo, the United Nations, and Western powers that thousands of its troops are fighting alongside the Tutsi-led M23. It says it is defending itself against the threat from a Hutu militia,

The accusation comes after M23 seized more territory in the east of the Democratic Republic of Congo. View on euronews

The United Nations Human Rights Council earlier this month launched a commission that will investigate atrocities.