The U.N. voices concern over alleged atrocities as Rwandan-backed rebels reportedly advance after seizing the city of Goma in the Democratic Republic of Congo.
Critical minerals factor into the fight.
In 2012, when M23 rebels appeared poised to seize control of a major city in eastern Congo, western countries suspended aid ...
President Paul Kagame said Rwanda was ready for "confrontation" as he rejected criticism over his backing for M23 rebels who ...