Heavy rains lashing parts of France, Germany and Austria cut roads, stranded people on rooftops and forced schools to close their doors, and French weather forecasters warned of more to come today.
Three people who had been trapped in a house at Simbach am Inn in southern Germany were found dead, local authorities said, and police warned several other people could be on the ground floor of the building.
In France's Loire Valley, a large expanse of water pooled in front of the 16th century Chateau of Chambord, reflecting the much-visited Renaissance castle's image.
In one incident in southern Bavaria, emergency services rescued 20 members of a school group when a boat trip on the Regen river ran into trouble with strong currents sparked by a sudden storm, authorities said.
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At the French Open -- the only major tennis tournament still without protection from the rain -- the constant interruptions prompted an outburst from frustrated Spanish player David Ferrer who exclaimed "I've been cheated!"
Elsewhere, in southern Germany the rains left trucks jackknifed on flooded roads at Simbach am Inn.
Four people died and a dozen were injured in the southern Baden-Wuerttemberg region between Sunday and Monday.
On Bavaria's southeastern border with Austria, firefighters and other emergency services were dispatched to stricken towns where roads and bridges were cut and some residents had to seek refuge from the waters on rooftops.
"The floods came so quickly that people had to escape to the roofs of their houses," a spokesman for the Lower Bavaria regional police said, adding that many streets were submerged.
Over the border in Austria, heavy rain lashed the Salzburg region, flooding several roads and forcing several schools to announce closures for today.
In Paris, many promenades along the Seine were closed due to the high waters, which the mayor's office predicted could rise by another metre in the coming days.
Fire services have already made 10,000 call-outs across the country since the rain began on Sunday, according to authorities.
Prime Minister Manuel Valls will tonight visit Nemours, 80 kilometres (50 miles) to the south of Paris, where residents had to be evacuated after the Loing river burst its banks.