Advances being made by the M23 rebel group in the Democratic Republic of Congo are "heightening the threat of a regional war," according to U.N. Secretary General Antonio Guterres.

Congolese troops pushed back an attempted overnight advance by Rwanda-backed rebels on the eastern city of Goma, two Congolese army sources said on Saturday, after the sound of nearby heavy bombardment rocked the city in the early hours.

Nine South African peacekeepers have been killed in clashes with M23 forces in the Democratic Republic of Congo, including two from UN peacekeeping force MONUSCO, the defence ministry said Saturday.

At least 12 peacekeepers, including two from the UN peacekeeping force MONUSCO, have been killed in fighting in eastern

Three U.N. peacekeepers from South Africa have been killed fighting M23 rebels in eastern Congo. A political party and a trade union said Saturday that the peacekeepers were killed on

Armed rebels in the Democratic Republic of Congo have closed in on Goma, a major city in the country. This comes as thousands have fled their homes to escape the violence. NBC News' Kier Simmons has more on the invasion.

M23 insurgency in eastern Democratic Republic of Congo has intensified in January with the M23 rebels seizing control of more territory than ever before, prompting the UN to warn of the risk of a broa

Intensifying hostilities in eastern Democratic Republic of the Congo involving the non-state armed group M23 have caused further mass displacement in the mineral-rich region, with fears that the regional capital Goma could come under attack, UN agencies warned on Friday.

Authorities say the governor of eastern Congo’s North Kivu province has died from injuries sustained in fighting on the front line as M23 rebels close in on Goma.

DRC army is engaged in battles with M23 fighters near Goma, amidst accusations that Rwanda is backing the rebel group, which Rwanda denies.

Nine South African peacekeepers have been killed in clashes with M23 forces in the Democratic Republic of Congo, the Defence Department confirmed.