Congolese security forces on Tuesday tried to slow the advance of Rwanda-backed M23 rebels who say they have captured Goma after entering eastern Congo's largest city, as U.N. officials reported violence,

The M23 militia, funded and directed by Rwanda, said it had seized the city of Goma, terrifying its people, many of whom sought shelter there after fleeing the rebel advance.

Protesters have attacked embassies in the Democratic Republic of Congo's Kinshasa over Rwanda-backed rebels fighting in Goma. Elian Peltier, an international correspondent for The New York Times, joins CBS News with the latest.