The animals have come to shore in the region around Toulon, maritime police said in a statement Monday, calling it an "unusual phenomenon". An investigation has been opened.
Dolphins remain stranded at Gharo Creek
On Sunday rescue workers failed to save a dolphin that washed up on a beach in Menton, to the east, according to the newspaper Var-Matin. Witnesses said they could see a wound on the animal's fin.
Another injured dolphin washed up in the area last week that also died, Var-Matin reported.
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