Students shout slogans during a demonstration in Marseille, southern France, Thursday, April 28, 2016, during a nationwide day of protest. Student organizations and employee unions have joined to call for protests across France to reject a government reform relaxing the 35-hour working week and other labour rules. (Photo by Claude Paris/AP Photo)





A policeman reacts during a clash with protestors during a protest against the proposed changes to France's working week and layoff practices, in Lyon, central France, Thursday, April 28, 2016. French protesters are back on the streets over proposed reforms to the country's labor rules and strikers have forced cancellations and delays at two airports serving Paris. (Photo by Laurent Cipriani/AP Photo)





A car burns during a demonstration against the French government's proposed labour reforms on April 28, 2016 in Nantes. (Photo by Loic Venance/AFP Photo)





A photographer runs away from a torched sports car during a demonstration against the French labour law proposal in Nantes, France, as part of a nationwide labor reform protests and strikes, April 28, 2016. (Photo by Stephane Mahe/Reuters)





French riot police officers detain a protestor during a demonstration against the French labour law proposal in Nantes, France, as part of a nationwide labor reform protests and strikes, April 28, 2016. (Photo by Stephane Mahe/Reuters)





French riot police officers detain a protestor during a demonstration against the French labour law proposal in Nantes, France, as part of a nationwide labor reform protests and strikes, April 28, 2016. (Photo by Stephane Mahe/Reuters)





French labour union workers attend a demonstration against the French labour law proposal in Marseille, France, as part of a nationwide labor reform protests and strikes, April 28, 2016. (Photo by Jean-Paul Pelissier/Reuters)





French riot police officers clash with protestors during a demonstration against the French labour law proposal in Nantes, France, as part of a nationwide labor reform protests and strikes, April 28, 2016. (Photo by Stephane Mahe/Reuters)





Dressed actors hold a placard with the employer's body MEDEF union logo as they demonstrate in support of temporary arts workers, known as “intermittents” in Paris, France, April 28, 2016 to protest against the change of their unemployment benefits. (Photo by Charles Platiau/Reuters)





French riot police officers detain a protestor during a demonstration against the French labour law proposal in Lyon, France, as part of a nationwide labor reform protests and strikes, April 28, 2016. (Photo by Robert Pratta/Reuters)





French CRS riot police face off with French labour union workers and students during a demonstration against the French labour law proposal in Paris, France, as part of a nationwide labor reform protests and strikes, April 28, 2016. (Photo by Charles Platiau/Reuters)





Youths take cover from tear gas during clashes during a demonstration against the French labour law proposal in Nantes, France, as part of a nationwide labor reform protests and strikes, April 28, 2016. (Photo by Stephane Mahe/Reuters)





A student protester is detained outside the education ministry building during a rally to demand changes in the education system in Santiago, Chile April 28, 2016. (Photo by Ivan Alvarado/Reuters)





A student protester is detained outside the education ministry building during a rally to demand changes in the education system in Santiago, Chile April 28, 2016. (Photo by Ivan Alvarado/Reuters)





A student protester is detained outside the education ministry building during a rally to demand changes in the education system in Santiago, Chile April 28, 2016. (Photo by Ivan Alvarado/Reuters)





Student protesters hold a banner outside the ministry of finance building during a rally to demand changes in the education system in Santiago, Chile April 28, 2016. The words on the banner are part of a slogan that says, “Students demand dignity”. (Photo by Ivan Alvarado/Reuters)





A masked youth and a demonstrator wearing a CGT badge walk through a cloud of tear gas during a demonstration against the French labour law proposal in Paris, France, as part of a nationwide labor reform protests and strikes, April 28, 2016. (Photo by Charles Platiau/Reuters)





French riot police officers (CRS) face protestors during clashes during a demonstration against the French labour law proposal in Paris, France, as part of a nationwide labor reform protests and strikes, April 28, 2016. (Photo by Charles Platiau/Reuters)