France, Jan. 29 -- The leaders of DR Congo and Rwanda are meeting at an emergency East African summit in Kenya on Wednesday as M23 rebels, backed by Rwandan troops, tighten their grip on the strategic eastern city of Goma.

The M23 armed group seized Goma's airport on Tuesday after days of heavy fighting that left more than 100 dead and nearly 1,000 wounded, based on a tally of hospital reports by the French news agency AFP.

It remains unclear how much of the city is controlled by Congolese forces versus M23, which claimed to have taken Goma on Sunday. But as clashes eased overnight, reports said only M23 fighters and Rwandan forces were visible on the streets.

Reuters reported that sporadic gunfire could still be heard in some district...