Exclusive BBC Interview with President Obama

Barack Obama tells the BBC that his failure to introduce meaningful gun control laws is the biggest regret of his presidency.

Is China challenging US dominance in Africa?

Burundi's election results are due to be announced, after months of violence and protests over President Pierre Nkurunziza's decision to stand for a third term.

(Photo: Barack Obama interviewed by the BBC's North America editor, Jon Sopel. Credit: BBC)