Founder of French left-wing party La France Insoumise (LFI) Jean-Luc Melenchon and La France Insoumise - Nouveau Front Populaire's MP Raphael Arnault pose on stage during a concert organised by French left-wing La France Insoumise (LFI) party as part of the annual street music festival 'Fete de la Musique' in Paris on June 21, 2026. (Photo by Guillaume BAPTISTE / AFP via Getty Images)

Founder of French left-wing party La France Insoumise (LFI) Jean-Luc Melenchon delivers a speech on stage next to (From L) Coordinator of French left-wing party La France Insoumise (LFI) Manuel Bompard, La France Insoumise - Nouveau Front Populaire's MP Anais Belouassa-Cherifi,during a concert organised by French left-wing La France Insoumise (LFI) party as part of the annual street music festival 'Fete de la Musique' in Paris on June 21, 2026. (Photo by Guillaume BAPTISTE / AFP via Getty Images)

Founder of French left-wing party La France Insoumise (LFI) Jean-Luc Melenchon delivers a speech on stage next to (From L) La France Insoumise - Nouveau Front Populaire's MP Louis Boyard, Coordinator of French left-wing party La France Insoumise (LFI) Manuel Bompard, La France Insoumise - Nouveau Front Populaire's MP Anais Belouassa-Cherifi,during a concert organised by French left-wing La France Insoumise (LFI) party as part of the annual street music festival 'Fete de la Musique' in Paris on June 21, 2026. (Photo by Guillaume BAPTISTE / AFP via Getty Images)

Founder of French left-wing party La France Insoumise (LFI) Jean-Luc Melenchon arrives on stage during a concert organised by French left-wing La France Insoumise (LFI) party as part of the annual street music festival 'Fete de la Musique' in Paris on June 21, 2026. (Photo by Guillaume BAPTISTE / AFP via Getty Images)

Founder of French left-wing party La France Insoumise (LFI) Jean-Luc Melenchon arrives on stage during a concert organised by French left-wing La France Insoumise (LFI) party as part of the annual street music festival 'Fete de la Musique' in Paris on June 21, 2026. (Photo by Guillaume BAPTISTE / AFP via Getty Images)

Founder of French left-wing party La France Insoumise (LFI) Jean-Luc Melenchon arrives on stage during a concert organised by French left-wing La France Insoumise (LFI) party as part of the annual street music festival 'Fete de la Musique' in Paris on June 21, 2026. (Photo by Guillaume BAPTISTE / AFP via Getty Images)

Partygoers dance during the annual street music festival 'Fete de la Musique' in Paris on June 21, 2026. (Photo by Arnaud FINISTRE / AFP via Getty Images)

Partygoers dance during the annual street music festival 'Fete de la Musique' in Paris on June 21, 2026. (Photo by Arnaud FINISTRE / AFP via Getty Images)