A conflict that has raged for decades reached a flashpoint this week when rebels backed by Rwanda marched on a key Congolese city in a bid to occupy territory and exploit minerals.

The rebels, which Rwanda denies supporting, have long been funded at least in part by the illicit mineral trade.

Rwanda-backed M23 rebels faced pockets of resistance from army and pro-government militia overnight after entering eastern Congo's largest city Goma in the worst escalation of a conflict that has run for more than a decade.

Congo has severed diplomatic ties with Rwanda as fighting between Rwanda-backed rebels and government forces rages around the key eastern city of Goma.

An armed group backed by Rwandan troops took control of the besieged Democratic Republic of Congo city of Goma's airport on Tuesday, a security source said, following three days of

Kenyan President William Ruto said Monday that the presidents of Rwanda and Congo have agreed to attend a meeting Wednesday to discuss developments in eastern Congo, where M23 rebels say they have seized control of Goma on the Congo-Rwandan border.

Troops from Democratic Republic of Congo and Rwanda have been firing at each other across their shared border in the eastern Congolese city of Goma, where Rwandan-backed rebels launched an offensive,

A day after the rebels marched into the lakeside city, protesters in the capital attacked a UN compound and embassies including those of Rwanda, France and the United States, expressing anger at what

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.

There was gunfire Tuesday in the eastern Democratic Republic of Congo city of Goma, as the United Nations warned of a worrying humanitarian situation amid clashes between Congolese soldiers and Rwandan-backed rebels who attacked the area and claimed to be in control.

Rwanda-backed M23 rebels have claimed to capture a key city in eastern Democratic Republic of Congo - Goma. This is the latest and sharpest escalation in one of Africa’s longest wars.