A driver has knocked down several people on the French island of Ile d'Oleron, a minister has said.
Two people are in intensive care following the incident and a man has been arrested, French interior minister Laurent Nunez said.
Several others were injured after the motorist struck pedestrians and cyclists, he added.
Thibault Brechkoff, the mayor of Dolus-d'Oleron, told BFMTV the suspect, in his 30s, shouted "Allahu Akbar" (Arabic for God is Greatest) when he was detained.
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Arnaud Laraize, the public prosecutor in La Rochelle, told the Sud Ouest newspaper the suspect "resisted arrest" and was "subdued using a stun gun".
He said the suspect was known for minor offences such as theft, adding he was not on a list of people considered a threat to national security.
Pedestrians and cyclists were hit on a road between Dolus d'Oleron and Saint-Pierre d'Oleron, he added.
Police were alerted, with the first calls made at around 9am, according to French media reports.
Mr Nunez said in a post on X that he was heading to the scene at the request of the French prime minister.
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