Violent storms and flooding have hit southeast France, killing at least 13 people with six more missing, officials said.
Three elderly people drowned when their retirement home near the city of Antibes was inundated with floodwater.
Another three people died when the car they were in became trapped by rising water in a small tunnel.
French President Francois Hollande has thanked rescuers and expressed the "solidarity of the nation".
He and Interior Minister Bernard Cazeneuve are due to visit the affected regions.
Heavy rain hit the French Riviera, which lies on the Mediterranean coast and borders Italy, on Saturday evening.
The city of Nice is estimated to have received 10% of its average yearly rainfall in two days alone.