So-called Islamic State says it was behind the killing of an 84-year-old priest in an attack on his church near Rouen in northern France.
The governor of Bavaria urges the German government to address public concerns about security and immigration after a spate of terror attacks.
Hundreds of people are forced to evacuate their places of work as a major gas leak causes chaos in the City of London.
The dog trained to sniff out human bodies
What is it like living near a party house?
Can being bored at work cause you to burn out?
The daily challenges faced by people of different heights
BBC News website readers tell of their broadband problems
Tonga 'serious' about Winter Olympic ski team
Swiss tennis great Roger Federer will miss the Olympics and the rest of the season with a knee injury.
Ever wondered how your favourite cereal is made?
What's the point of tears?