M23 rebels claim they now control the Congolese city of Goma—an act Congo's government described as a 'declaration of war.'

Rwanda-backed rebels on Monday claimed they captured Goma, the largest city in the eastern part of the Democratic Republic of Congo, where the United Nations reported "mass panic" among its 2 million residents.

M23 militia fighters, alongside Rwandan troops, are pushing into the eastern DR Congo city of Goma, capital of the mineral-rich North Kivu province.