Brigitte Macron indignant Tuesday at the "cowardice" of the perpetrators of the attack the day before her great-nephew on the sidelines of a demonstration. Jean-Baptiste Trogneux, 30, boss of the famous chocolate factory of the same name "had the courage to face the cowardice, stupidity and violence of a group that I leave to justice to qualify," said the wife of the president of the Republic.

Eight people were arrested, still in custody Tuesday, according to a police source.