Four people are still missing after violent storms and flash floods on the French Riviera left at least 17 people dead, including one Briton, reports the BBC.
Thousands of homes remain without electricity after heavy rain on Saturday evening sent torrents of water and mud through several towns.
The UK Foreign Office has said that one British national is among the dead.
French president François Hollande has announced a state of "natural disaster" in the affected region.
Forecasters have faced criticism over the effectiveness of weather alerts.
Meanwhile police arrested nine people suspected of looting during the chaos that followed the floods, according to officials.
Interior minister Bernard Cazeneuve told Europe 1 on Monday that two people had already been sent before a judge while seven others remained in custody.
He praised the efforts of emergency services, saying that more than 550 firefighters and 300 police officers were still responding to the disaster.
The area is estimated to have received more than 10% of its average yearly rainfall in two days alone. Rivers burst their banks, sending water coursing into nearby towns and cities.
Two people are missing in Cannes, with searches continuing for two others in Antibes and Mandelieu-la-Napoule, according to reports.