FRANCE-LABOUR-MAYDAY-DEMO(01 of21)
Open Image ModalProtesters push a burning trolley towards French CRS anti-riot police officers during a march for the annual May Day workers\' rally in Paris on May 1, 2017. / AFP PHOTO / Christophe ARCHAMBAULT (Photo credit should read CHRISTOPHE ARCHAMBAULT/AFP/Getty Images) (credit:CHRISTOPHE ARCHAMBAULT via Getty Images)
FRANCE-LABOUR-MAYDAY-DEMO(02 of21)
Open Image ModalFrench CRS anti-riot police officers stand behind tear gas during a march for the annual May Day workers\' rally in Paris on May 1, 2017. / AFP PHOTO / Christophe ARCHAMBAULT (Photo credit should read CHRISTOPHE ARCHAMBAULT/AFP/Getty Images) (credit:CHRISTOPHE ARCHAMBAULT via Getty Images)
May Day Protesters Clash With Police In Paris(03 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators confront police on the annual May Day worker\'s march on May 1, 2017 in Paris, France. Police dealt with violent scenes in central Paris during the rally held close to the Place de la Bastille, where protestors shouted \'Fascists out!\'. (Photo by Jeff J Mitchell/Getty Images) (credit:Jeff J Mitchell via Getty Images)
May Day Protesters Clash With Police In Paris(04 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators confront police on the annual May Day worker\'s march on May 1, 2017 in Paris, France. Police dealt with violent scenes in central Paris during the rally held close to the Place de la Bastille, where protestors shouted \'Fascists out!\'. (Photo by Jeff J Mitchell/Getty Images) (credit:Jeff J Mitchell via Getty Images)
May Day Protesters Clash With Police In Paris(05 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators confront police on the annual May Day worker\'s march on May 1, 2017 in Paris, France. Police dealt with violent scenes in central Paris during the rally held close to the Place de la Bastille, where protestors shouted \'Fascists out!\'. (Photo by Jeff J Mitchell/Getty Images) (credit:Jeff J Mitchell via Getty Images)
FRANCE-LABOUR-MAYDAY-DEMO(06 of21)
Open Image ModalProtesters face French CRS anti-riot police officers during a march for the annual May Day workers\' rally in Paris on May 1, 2017. / AFP PHOTO / Christophe ARCHAMBAULT (Photo credit should read CHRISTOPHE ARCHAMBAULT/AFP/Getty Images) (credit:CHRISTOPHE ARCHAMBAULT via Getty Images)
May Day Protesters Clash With Police In Paris(07 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators confront police on the annual May Day worker\'s march on May 1, 2017 in Paris, France. Police dealt with violent scenes in central Paris during the rally held close to the Place de la Bastille, where protestors shouted \'Fascists out!\'. (Photo by Jeff J Mitchell/Getty Images) (credit:Jeff J Mitchell via Getty Images)
May Day Protesters Clash With Police In Paris(08 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators confront police on the annual May Day worker\'s march on May 1, 2017 in Paris, France. Police dealt with violent scenes in central Paris during the rally held close to the Place de la Bastille, where protestors shouted \'Fascists out!\'. (Photo by Jeff J Mitchell/Getty Images) (credit:Jeff J Mitchell via Getty Images)
May Day Protesters Clash With Police In Paris(09 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators confront police during the annual May Day worker\'s march onMay 1, 2017 in Paris,France. Police dealt with violent scenes in central Paris during the rally held close to the Place de la Bastille, where protestors shouted \'Fascists out!\'. (Photo by Jeff J Mitchell/Getty Images) (credit:Jeff J Mitchell via Getty Images)
FRANCE-LABOUR-MAYDAY-DEMO(10 of21)
Open Image ModalA French CRS anti-riot police officer picks up from the ground a shield on fire during a march for the annual May Day workers\' rally in Paris on May 1, 2017. / AFP PHOTO / Christophe ARCHAMBAULT (Photo credit should read CHRISTOPHE ARCHAMBAULT/AFP/Getty Images) (credit:CHRISTOPHE ARCHAMBAULT via Getty Images)
May Day Protesters Clash With Police In Paris(11 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators confront police on the annual May Day worker\'s march on May 1, 2017 in Paris, France. Police dealt with violent scenes in central Paris during the rally held close to the Place de la Bastille, where protestors shouted \'Fascists out!\'. (Photo by Jeff J Mitchell/Getty Images) (credit:Jeff J Mitchell via Getty Images)
May Day Protesters Clash With Police In Paris(12 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators confront police on the annual May Day worker\'s march on May 1, 2017 in Paris, France. Police dealt with violent scenes in central Paris during the rally held close to the Place de la Bastille, where protestors shouted \'Fascists out!\'. (Photo by Jeff J Mitchell/Getty Images) (credit:Jeff J Mitchell via Getty Images)
May Day Protesters Clash With Police In Paris(13 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators confront police on the annual May Day worker\'s march on May 1, 2017 in Paris, France. Police dealt with violent scenes in central Paris during the rally held close to the Place de la Bastille, where protestors shouted \'Fascists out!\'. (Photo by Jeff J Mitchell/Getty Images) (credit:Jeff J Mitchell via Getty Images)
May Day Protesters Clash With Police In Paris(14 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators confront police on the annual May Day worker\'s march on May 1, 2017 in Paris, France. Police dealt with violent scenes in central Paris during the rally held close to the Place de la Bastille, where protestors shouted \'Fascists out!\'. (Photo by Jeff J Mitchell/Getty Images) (credit:Jeff J Mitchell via Getty Images)
May Day Protesters Clash With Police In Paris(15 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators confront police on the annual May Day worker\'s march on May 1, 2017 in Paris, France. Police dealt with violent scenes in central Paris during the rally held close to the Place de la Bastille, where protestors shouted \'Fascists out!\'. (Photo by Jeff J Mitchell/Getty Images) (credit:Jeff J Mitchell via Getty Images)
May Day Protesters Clash With Police In Paris(16 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators confront police on the annual May Day worker\'s march on May 1, 2017 in Paris, France. Police dealt with violent scenes in central Paris during the rally held close to the Place de la Bastille, where protestors shouted \'Fascists out!\'. (Photo by Jeff J Mitchell/Getty Images) (credit:Jeff J Mitchell via Getty Images)
4 French police officers injured in May Day rallies (17 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators clash with police with firebombs and molotov cocktails during the May Day March in Paris, France on May 01, 2017. At least four riot police officers were injured Monday after clashes erupted on the sidelines of May Day demonstrations in the French capital Paris and in Loiret, in north-central France. (Photo by Elyxandro Cegarra /Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
4 French police officers injured in May Day rallies (18 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators clash with police with firebombs and molotov cocktails during the May Day March in Paris, France on May 01, 2017. At least four riot police officers were injured Monday after clashes erupted on the sidelines of May Day demonstrations in the French capital Paris and in Loiret, in north-central France. (Photo by Elyxandro Cegarra /Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Jean-Marie Le Pen Attends Traditional Jeanne dâArc Ceremony(19 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Police stand guard as as France\'s far-right political party Front National (FN) founder, Jean-Marie Le Pen celebrates May Day on May 1, 2017 in Paris, France at the statue of Jeanne dâArc as he does annually. He called voters to vote for his daughter Marine Le Pen at the upcoming French election second round on May 7. (Photo by John van Hasselt/Corbis via Getty Images) (credit:John van Hasselt - Corbis via Getty Images)
4 French police officers injured in May Day rallies (20 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators affected by tear gas during the May Day March in Paris, France on May 01, 2017. At least four riot police officers were injured Monday after clashes erupted on the sidelines of May Day demonstrations in the French capital Paris and in Loiret, in north-central France.\n\n (Photo by Elyxandro Cegarra /Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
4 French police officers injured in May Day rallies (21 of21)
Open Image ModalPARIS, FRANCE - MAY 01: Demonstrators clash with police with firebombs and molotov cocktails during the May Day March in Paris, France on May 01, 2017. At least four riot police officers were injured Monday after clashes erupted on the sidelines of May Day demonstrations in the French capital Paris and in Loiret, in north-central France. (Photo by Elyxandro Cegarra /Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)