Read comment and analysis of key passages from David Cameron's Europe speech from BBC political reporter Brian Wheeler and BBC Europe reporter Laurence Peter.
Nigeria's Muhammadu Buhari edges ahead of President Goodluck Jonathan in early election counts, though key states are yet to declare.
The true story of this Syrian girl's 'surrender'
The art forger who fooled museums for 30 years
New clues to how whales communicate
The men who nearly died in a tank of melted chocolate
One villager still living on Ukraine's front line
A ray of light in Pakistan's drought-hit Thar desert
The teens who make their dolls tell stories
Fans react to the surprise choice as Daily Show host
Should parents ever worry about Minecraft?