At least 10 people were killed by flash floods in the Aude region of southwest France
The local authorities say that in a few hours overnight, several months of rain had fallen and roads were blocked in some areas.
A nun was swept away by the River Aude, reports local broadcaster BFMTV.
Separately, a policewoman who participated in a weather-related traffic accident in the city of Albi was hit and killed by a motorist
The death toll was reduced from 1
Alain Thirion, the prefect of Aude, said that people were stranded on roofs and had to be evacuated by plane because it was too dangerous by boat.
- Hurricane-strong winds are tearing through Portugal
- France country profile
A person was injured when a house collapsed in the village of Cuxac
The floods are the worst the Aude has seen in more than 100 years Years, according to the weather observation service Vigicrues.
According to French Prime Minister Édouard Philippe, seven helicopters and 700 forces are on duty, saying that he will visit the area when conditions permit.
Chris Bockman of the BBC says heavy rains in the region are not uncommon at this time of year, but it has been exacerbated by the growing number of houses being built in flood plains.
Residents of the worst-affected areas have been urged by emergency services and local authorities to stay in their homes Red alert
In Trèbes the flood is up to seven meters so the authorities. Early morning shots show the rising water.
All roads are inaccessible to the north of the municipality of Carcassonne and the schools are closed, the authorities say.
A bridge was demolished and carried away by the force of water in Villegailhenc
An amber warning of flooding was also pronounced for the nearby regions of Aveyron, Haute-Garonne, Hérault, Pyrénées-Orientales and Tarn.