After Rwanda-backed M23 rebels took control of the biggest city in eastern Congo this week, the man who emerged from the shadows to assert his leadership was not the group's long-time military leader.

It is still unclear how many people have died in the ongoing conflict pitting the M23 and the Congolese army.

Additionally, Sheikh Shakhboot bin Nahyan met with Olivier Nduhungirehe, Minister of Foreign Affairs and International ...