With three neighbouring armies already on the ground, a conflict that has simmered in Democratic Republic of Congo’s eastern borderlands for years is evolving into a wider regional war.

After talks in Qatar, the two countries’ presidents said they were committed to an unconditional truce between Congo’s army and a rebel group that Rwanda denies backing. By Elian Peltier and ...

The M23 militia is ruling over a vast stretch of territory in the eastern part of the Democratic Republic of Congo, threatening the sovereignty of the biggest country in sub-Saharan Africa.