The sovereignist Philippe de Villiers, former president of the “movement for France”, launched a web based petition for an immigration referendum to be organized. It claims greater than 1,000,000 signatures, however the web site internet hosting the petition doesn’t make it attainable to verify the id of the signatories, which makes it attainable to signal twice. Explanations.
https://www.france24.com/fr/%C3%A9missions/info-ou-intox/20250916-p%C3%A9tition-de-philippe-de-villiers-plus-d-1-million-de-signatures