Protesters attend a demonstration during the ninth day of nationwide strikes and protests against French government's pension reform, in Nice, France, March 23, 2023. REUTERS/Eric Gaillard

A protester, wearing a CGT labour union vest, holds red flares as he attends a demonstration during the ninth day of nationwide strikes and protests against French government's pension reform, in Nice, France, March 23, 2023. REUTERS/Eric Gaillard

French riot police walk past a burning newsstand amid clashes during a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 23, 2023. REUTERS/Gonzalo Fuentes

French CRS riot police reacts amid tear gas during clashes at a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 23, 2023. REUTERS/Yves Herman

Protesters attend a demonstration during the ninth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 23, 2023. REUTERS/Gonzalo Fuentes

Protesters hold construction barriers next to burning garbage bins amid clashes during a demonstration during the ninth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 23, 2023. REUTERS/Nacho Doce

French firefighters on strike hold red flares during a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 23, 2023. REUTERS/Yves Herman

Protesters protect themselves with umbrellas amid tear gas during clashes at a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Nantes, France, March 23, 2023. REUTERS/Stephane Mahe

A masked protester walks past a fire amid clashes during a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 23, 2023. REUTERS/Gonzalo Fuentes

French CRS riot police reacts amid tear gas during clashes with protesters at a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Nantes, France, March 23, 2023. REUTERS/Stephane Mahe

A protester, wearing a mask depicting French President Emmanuel Macron, attends a demonstration during the ninth day of nationwide strikes and protests against French government's pension reform, in Nice, France, March 23, 2023. REUTERS/Eric Gaillard TPX IMAGES OF THE DAY

French firefighters extinguish a fire amid clashes during a demonstration during the ninth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 23, 2023. REUTERS/Gonzalo Fuentes

Protesters stand near burning garbage bins during a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Nantes, France, March 23, 2023. REUTERS/Stephane Mahe

A member of the French riot police holds a flash-ball gun during a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 23, 2023. REUTERS/Nacho Doce

French riot police stand in position amid clashes as protesters attend a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Nantes, France, March 23, 2023. REUTERS/Stephane Mahe

Protesters, wearing CGT labour union vests, hold red flares during a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Nice, France, March 23, 2023. REUTERS/Eric Gaillard TPX IMAGES OF THE DAY

A masked protester reacts amid tear gas during clashes at a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Nantes, France, March 23, 2023. REUTERS/Stephane Mahe

A protester, wearing a CGT labour union vest, holds a red flare during a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Le Havre, France, March 23, 2023. REUTERS/Pascal Rossignol

Protesters stand near burning garbage bins during a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Nantes, France, March 23, 2023. REUTERS/Stephane Mahe TPX IMAGES OF THE DAY

Masked protesters face off with French CRS riot police amid clashes during a demonstration as part of the ninth day of nationwide strikes and protests against French government's pension reform, in Nantes, France, March 23, 2023. REUTERS/Stephane Mahe