Terror efforts

Nice attack: UK must redouble efforts on terror - May

The prime minister said Britain stood "shoulder to shoulder" with France after a lorry drove into a crowd killing at least 84 and injuring 50.

Downing Street says a "small number" of Britons were injured in Nice.

The attack was of "an undeniable terrorist nature", French President Francois Hollande has said.

UK police forces are reviewing security at major events over the next week.