A day after the rebels marched into the lakeside city, protesters in the capital attacked a UN compound and embassies including those of Rwanda, France and the United States, expressing anger at what

France's foreign minister on Monday said an offensive by Rwanda-backed armed group M23 on the Democratic Republic of Congo city of Goma "must stop".

GOMA, Democratic Republic of Congo - The United States, France and Britain pressured Rwanda on Sunday over its support for rebels rapidly closing in on eastern Congo's largest city, as government forces struggled to halt an offensive that has forced thousands of civilians to flee.

Fighting across the largest city in eastern Democratic Republic of Congo and "is still very much ongoing ... it's not over yet," senior U.N. official in Congo, Bruno Lemarquis, said on Monday after Rwandan-backed M23 rebels claimed to have control of Goma.

Goma residents and UN sources said dozens of troops had surrendered, but some soldiers and pro-government militiamen were holding out

Rebels seized the airport of east Congo's largest city, Goma, on Tuesday, potentially cutting off the main route for aid to reach hundreds of thousands of displaced people, after capturing the city in an offensive that left dead bodies lying in the streets.

Gunfire rang out early on Monday across parts of Goma, the largest city in eastern Congo, hours after Rwanda-backed M23 rebels said they had taken control of the city despite the United Nations Security Council's calling for an end to the offensive.

KINSHASA/PARIS - France's foreign minister was due in Rwanda on Thursday after talks in the Democratic Republic of Congo as part of efforts to prevent a regional escalation following the capture of the eastern Congolese city of Goma by M23 rebels and Rwandan troops.

In 2012, when M23 rebels appeared poised to seize control of a major city in eastern Congo, western countries suspended aid to put pressure on Rwanda to withdraw its support.

French Foreign Minister Jean-Noël Barrot has arrived in Congo's capital Kinshasa, an official at the presidency said on Thursday, as Rwanda-backed rebels consolidated control of Goma in the east of the African country.

President Paul Kagame said Rwanda was ready for "confrontation" as he rejected criticism over his backing for M23 rebels who were pushing south on Thursday in eastern Democratic Republic of Congo after capturing the major city of Goma.