M23 fighters have been pressing to capture strategic eastern city for months and intensified offensives in recent days.
The M23 rebel group has made significant territorial gains along the border with Rwanda in recent weeks, closing in on Goma, the provincial capital.
United Nations chief Antonio Guterres on Sunday urged Rwanda to withdraw its forces from the eastern Democratic Republic of Congo where fierce fighting raged as Kigali-backed fighters closed in on the major city of Goma.
French President Emmanuel Macron is hosting Angolan President Joao Lourenço for a two-day state visit starting Thursday to strengthen political, cultural, and economic ties.
Many Congolese see the rebel advance as an invasion of their country by a foreign power in an attempt to seize land and Congo’s valuable rare minerals.
Congolese government spokesperson Patrick Muyaya said Kinshasa wanted to prevent "carnage," with Rwanda's forces in the east of the country. It comes after the M23 group claimed to have taken the city of Goma.
The Democratic Republic of Congo withdrew its diplomats from Kigali as the Rwanda-backed M23 fighters advanced on the key city of Goma in the east of the country.
The M23 armed group has seized further territory in the east of the Democratic Republic of Congo and on Thursday was continuing to tighten its grip on provincial capital Goma, which is almost surrounded by fighting.
Rwanda has confirmed the presence of oil in Lake Kivu, bordering Uganda and DR Congo. The country said there is a possibility of finding more wells in the region.
Angola urged on Tuesday, Jan 21, in New York, the members of the United Nations Security Council to maintain firm support for the Luanda Process that aims to ease political tension between the Democratic Republic of Congo (DRC) and Rwanda in order to achieve peace in the region.
Back in 2012, pressure on Paul Kagame, Rwanda’s president, by donor countries including America preceded a swift ouster from Goma of M23 by UN peacekeepers. That scenario seems less likely this time around.