Hundreds of armed officers search for a man who opened fire at a Christmas market in Strasbourg.
A Syrian refugee who saved 18 people has been released from a Greek prison, after being accused of people trafficking.
Eyewitnesses described what they saw, as the shooting unfolded near a Christmas market.
The BBC investigates a $10bn (£8bn) Pentagon contract to store sensitive data in a cyber-cloud.
The president says he could act for the good of US trade, as Canada releases Meng Wanzhou on bail.