U.S. Secretary of State Marco Rubio called for a urgent cease-fire in the conflict in eastern Democratic Republic of Congo saying Washington was "deeply troubled" by a recent escalation in the fighting.

Our peacekeepers are also planning on sending out patrols today in Goma to assess the situation, to conduct resupplies and assess routes in the capital,' says spokesman - Anadolu Ajansı

Rwanda-backed rebels claimed they captured eastern Congo’s strategic city of Goma, the hub of a region containing trillions of dollars in mineral wealth that remains largely untapped, the Associated Press reported.

M23 rebels in the Democratic Republic of Congo were reported to have taken the key eastern city of Goma in fierce fighting with government forces that sent streams of refugees fleeing area communities.

Decision comes as State Department increases travel warning to US nationals not to travel to Central African nation - Anadolu Ajansı

Rwanda, which diplomats say backs M23 fighters who seized Goma in Democratic Republic of Congo this week, called on Wednesday for a ceasefire across eastern Congo and for Congo to negotiate with the rebels while denying Rwandan troops were involved.

Angolan President Joao Lourenco, who’s been mediating peace talks between Rwanda and Democratic Republic of Congo, called for the withdrawal of Rwandan-backed M23 rebels from the city of Goma and for Rwandan troops to leave Congolese territory.

U.S. Secretary of State Marco Rubio told Rwandan President Paul Kagame on Tuesday that Washington was "deeply troubled" by escalation in the conflict in the Democratic Republic of Congo, particularly the fall of the city of Goma to Rwandan-backed rebels.