Ebola is back with a vengeance.
Experts know from the 2014 epidemic that when the deadly virus crosses borders it sticks around for awhile.
The U.S. special envoy to the African Great Lakes, Tom Perriello, played an important role.
At least 34 people in Congo have been killed in protests since Monday, a human-rights researcher has claimed.
The group has come to prominence for its violence even by the standards of one of Africa's most troubled countries
A new photographic series showcases global urban trends.