Congolese President Felix Tshisekedi is on a quest for support as war in the east rages, but has so far returned empty-handed from trips abroad while anxiety mounts at home. Although the British foreign office has summoned Rwanda's top diplomat in London,

This M23 advance is the gravest escalation in more than a decade of the long-running conflict in eastern Congo, rooted in the spillover of Rwanda's 1994 genocide into Congo and the struggle for control of Congo's vast minerals resources.

The M23 armed group is advancing on "strategic zones" in eastern Democratic Republic of Congo after taking two key cities, the United Nations warned, underscoring the threat of a regional conflict. Story by Emerald Maxwell.