What's happening in the French city of Nice?
15 July 2016 Last updated at 17:00 BST
An attack has taken place in the French city of Nice at their National Day Celebrations.
It happened on the famous Promenade des Anglais after a firework display.
A lorry drove through a crowd of people who were celebrating.
At least 84 people have died.
Ayshah has been finding out more about what happened.