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.

Fighting has escalated sharply in recent weeks in eastern Congo, where rebels have seized key towns and are closing in on the city of Goma, the government’s last stronghold in the North Kivu province,

In eastern Democratic Republic of Congo, the rebel alliance, including the M23 group, declared they have seized Goma. The alliance leader issued an ultimatum for Congo's government troops, stating they must surrender by 03:00 local time.