A rescue operation is underway in Mayotte, a French island territory off the southeast of Africa.
It’s after Cyclone Chido brought winds of more than 140mph (225km/h), destroying homes, power lines and roads as well as the main airport and hospital.
The poorest in the region are said to have been the hardest hit, many live in poorly made shacks with metal sheet roofs, which have been ripped off by the strong winds.
A flight with supplies on has arrived with material for emergency shelters but lots of people are don’t have food, water, power or the internet.
More than 100 French soldiers have arrived to help with rescue efforts and another 160 soldiers are on the way to help.