What's happening in Nice?

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.

If you're upset by anything in the news take a look at the advice here.