A protester launches a firework during clashes with police at a demonstration after France's Constitutional Council approved the key elements of a pension reform, in Nantes, western France, on April 14, 2023. - France has been rocked by three months of demonstrations and strikes over the president's bid to raise the retirement age to 64 from 62, with around two in three voters against the changes, according to polls. The government on March 16 pushed a pensions reform through parliament without a vote, using the article 49.3 of the constitution. (Photo by Sebastien SALOM-GOMIS / AFP)