It remained unclear how much of Goma is controlled by the rebels, who marched into eastern Congo’s strategic city early Monday to both fear and cheers among residents. But more than 2 million of its civilian residents,

A rebel alliance spearheaded by the ethnic Tutsi-led M23 militia said it had seized the lakeside city of more than 2 million people.

Residents of eastern Congo's largest city of Goma greeted the arrival of Rwanda-backed rebels with trepidation on Monday, some staying indoors and others coming out to cheer in what one called a "show" of happiness.