Masked protesters stand in front of a burning car during clashes at a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform in Nantes, France, March 28, 2023. REUTERS/Stephane Mahe

Protesters hold a French national flag as they stand on the statue of the Place de la Nation during a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 28, 2023. The slogan reads "Against blood and tears, dreams and flames". REUTERS/Gonzalo Fuentes

Garbage bins on fire are seen in front of a burning BNP Paribas bank office during clashes at a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform in Nantes, France, March 28, 2023. REUTERS/Stephane Mahe

A protester is pushed by French riot police during a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 28, 2023. REUTERS/Gonzalo Fuentes

A protester stands in front of French riot police standing in position as fireworks go off amid clashes during a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 28, 2023. REUTERS/Gonzalo Fuentes

Protesters hold French CGT and Sud Rail labour unions flags as they gather at Gare du Lyon train station in solidarity of rail worker Sebastien injured during a protest, as part of the tenth day of nationwide strikes and protests against French government's pension reform in Paris, France, March 28, 2023. REUTERS/Sarah Meyssonnier

French police stand in position next to burning garbage bins in front of the entrance of the administrative court during clashes at a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform in Nantes, France, March 28, 2023. REUTERS/Stephane Mahe

Protesters hold flags of the CGT labour union during a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform in Nice, France, March 28, 2023. REUTERS/Eric Gaillard

A masked protester holds a placard in front of a fire during clashes at a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 28, 2023. The slogan reads "Impeachment". REUTERS/Gonzalo Fuentes

A protester sets a garbage bin on fire during clashes at a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 28, 2023. REUTERS/Gonzalo Fuentes

French firefighters on strike and protesters walk past the balloon of Sud Rail Solidaires labour union a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform in Paris, France, March 28, 2023. REUTERS/Nacho Doce

Protesters take picture of a slogan "Sainte-Soline, water is paid for at the price of blood" painted on a wall during a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform in Nantes, France, March 28, 2023. REUTERS/Stephane Mahe

French riot police run past a fire during clashes at a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform, in Paris, France, March 28, 2023. REUTERS/Gonzalo Fuentes

Protesters from the CGT labour union hold a placard depicting French President Emmanuel Macron as a king during a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform in Nice, France, March 28, 2023. REUTERS/Eric Gaillard

A protester holds a banner during a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform in Paris, France, March 28, 2023. REUTERS/Gonzalo Fuentes

Protesters hold a placard which reads "Democracy and not 49.3" during a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform in Nice, France, March 28, 2023. The 49.3 is a special clause in the French Constitution, used to push the pensions reform bill through the National Assembly without a vote by lawmakers. REUTERS/Eric Gaillard

Protesters from the CGT labour union hold a placard depicting French President Emmanuel Macron as a king during a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform in Nice, France, March 28, 2023. REUTERS/Eric Gaillard

Protesters attend a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform in Nantes, France, March 28, 2023. The slogan reads "Charles at home, Manu at pilum" in reference to the cancelled visit of Britain's King Charles III to France. REUTERS/Stephane Mahe

Protesters stand near the lion statue at Place de la Republique during a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform in Paris, France, March 28, 2023. REUTERS/Nacho Doce

Protesters hold the French national flag and French labour union flags during a demonstration as part of the tenth day of nationwide strikes and protests against French government's pension reform in Nantes, France, March 28, 2023. REUTERS/Stephane Mahe