Rwanda-backed rebels claimed they captured eastern Congo’s largest city, Goma, early Monday, as the United Nations described a mass panic among its 2 million people and Congo’s government said the rebel advance was a “declaration of war.

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.