At least five people died and five more remained missing on Wednesday after torrential rainstorms caused flash flooding in Spain's Mallorca island, authorities said.
Antonia Bauza, the deputy mayor of Sant Llorenc, confirmed two of the victims were British nationals.
Witnesses said that within minutes a rush of water and mud from an overflowing creek had buried cars and torn down trees.
The couple, who were in their 70s, are said to have died along with cab driver Juan Sillero when the vehicle was swept away by a torrent of water near the coastal resort of S'Illot.
The Balearic Islands' emergency services spokeswoman, who wasn't authorized to be named in media reports, told The Associated Press that the body of a Dutch woman was recovered from the garage of a house in Arta, another nearby town.
The Britons, who were married and in their seventies, were travelling by taxi about 40 miles east of the Spanish island's capital, Palma, when the auto was swept away.
Rescue workers and military units from the Spanish mainland were heading to the area which is popular with British holidaymakers.
Spanish Prime Minister Pedro Sanchez tweeted his "solidarity and support for the relatives and friends of the victims, and for all those affected by this tragic flooding". Angela Alfaro had to spend the night in a shelter because a road section leading to Sant Llorenc had collapsed. "This looks like the end of the world".
In Nadal's latest trip back home he was also seen helping to clear mud off the streets. The flooding also affected phone communications, destroyed two bridges and forced the closure of 11 roads.
Muddy waters rushed down roads, houses were flooded and vehicles piled up on top of each other after the Mediterranean island was pounded with rain in just a few hours, video footage showed.
The Spanish weather agency said more heavy rainfall is expected on Wednesday in eastern and southern parts of the Iberian peninsula.