Town in North Kivu province is the farthest west the group has reached since the start of its advance in January
M23 rebels have captured a strategic mining hub in eastern Democratic Republic of the Congo, defying calls from the presidents of Rwanda and the DRC for an immediate ceasefire.
A Congolese army spokesperson said M23 was in control of the town of Walikale. An officer separately told Agence France-Presse its forces were about 20 miles (30km) away in the town of Mubi.
