High school students march during a demonstration against the French government's planned labor law reforms, March 31, 2016, in Bordeaux, France. Nicolas Tucat/AFP/Getty Images

A masked student faces French police officers during a rally to protest the new labor law in Paris, March 31, 2016. Michel Euler/AP Photo

Demonstrators march during a protest against the labor law reform bill in Paris, March 31, 2016. Ian Langsdon/EPA

A man holds a smoke grenade as he takes part in a protest march against the proposed reforms of France's labor laws in Paris, during a national day of strike in France, March 31, 2016. Alain Jocard/AFP/Getty Images

French riot police officers clash with demonstrators during a protest against the labor law reform bill in Paris, March 31, 2016. Yoan Valat/EPA

Masked protesters walk through a cloud of tear gas during clashes with police as French high school and university students attend a demonstration against the French labor law proposal in Nantes, France, as part of nationwide labor reform protests and strikes, March 31, 2016. tephane Mahe/ Reuters

High school students march during a demonstration against the French government's planned labor law reforms, March 31, 2016, in Bordeaux, France. Nicolas Tucat/AFP/Getty Images

Protesters gesture as they march during a demonstration against the French government's proposed labor reforms, March 31, 2016, in Rennes, France. AFP/Getty Images

Protesters try to protect themselves against tear gas canisters launched by riot police and prepare to launch it back during a demonstration against labor law reforms, March 31, 2016, in Rennes, France. AFP/Getty Images

Protesters gather onto the Cantini fountain at Castellane square during a demonstration against the French government's planned labor law reforms, March 31, 2016 in Marseille. Boris Horvat/AFP/Getty Images

Demonstrators clash with riot police during a protest against the labor law reform bill in Paris, March 31, 2016. Yoan Valat/EPA

High school students demonstrate in Paris, March 31, 2016, to protest the government's planned labor reforms. Poree Audrey/AP Photo

Demonstrators burn flares during a protest in Paris, March 31, 2016. Christophe Ena/AP Photo