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.

France criticizes Rwanda's support of the M23 rebel offensive in the Democratic Republic of Congo. French Foreign Minister Jean-Noel Barrot urged for fighting to cease and dialogue to resume. The conflict has resulted in the deaths of peacekeepers and displaced thousands,

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.