The man was shot and seriously injured on Wednesday in Angoulême town hall in southwestern France after he set fire to the 19th century building using petrol, police and local authorities said. The fire was rapidly brought under control.
'Alain Delon has played legendary roles and made the world dream. Lending his unforgettable face to shake up our lives,' the French president said of the actor, who has died aged 88.
French sports minister Amélie Oudéa-Castéra said French sprinter Muhammad Abdallah Kounta's messages and posts targeting Israel in particular were "as shocking as they are unacceptable".
Six African leaders took part in the official events to highlight the major role played by African troops. Speaking on the anniversary, President Emmanuel Macron paid tribute to the contributions made by the soldiers recruited – often forcibly – in French overseas colonies.
With Sunday's Olympic closing ceremony over, President Emmanuel Macron must now deal with a self-created political crisis that he had swept under the carpet until the Games were over.