The latest stories from the World section of the BBC News web site.
Updated: 14 min 55 sec ago
About 80 children rescued from a Boko Haram camp in Cameroon cannot remember their own names or origins, an aid official tells the BBC.
Hundreds of US military vehicles arrive in the Baltic states and are to stay in Europe, as Russia says it is pulling out of a Cold War arms pact.
Jurors in the Boston Marathon bombing trial are shown a blood-stained note allegedly written by the accused as he hid from police inside a boat.