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A man waves a flag of French General Confederation of Labour (CGT) during a demonstration against the series of controversial labour reforms on June 23, 2016 in Paris. Police arrested 85 people ahead of June 23's protest march in Paris against France's labour reforms, mainly for carrying objects that could be used as projectiles, authorities said. Today's march will be the 10th in a wave of protests against the government's disputed labour reforms that kicked off in March, with many descending into violence, notably in Paris and the western cities of Nantes and Rennes. AFP PHOTO / DOMINIQUE FAGET / AFP / DOMINIQUE FAGET (Photo credit should read DOMINIQUE FAGET/AFP/Getty Images)

A man waves a flag of  French General Confederation of Labour (CGT)  during a demonstration against the series of controversial labour reforms on June 23, 2016 in Paris. Police arrested 85 people ahead of June 23's protest march in Paris against France's labour reforms, mainly for carrying objects that could be used as projectiles, authorities said. Today's march will be the 10th in a wave of protests against the government's disputed labour reforms that kicked off in March, with many descending into violence, notably in Paris and the western cities of Nantes and Rennes.  AFP PHOTO / DOMINIQUE FAGET / AFP / DOMINIQUE FAGET        (Photo credit should read DOMINIQUE FAGET/AFP/Getty Images)

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A French riot police officer clashes with a man during a demonstration against the controversial labour reforms of the French government in Paris on September 15, 2016. Opponents of France's controversial labour reforms took to the streets on September 15, 2016 for the 14th time in six months in a last-ditch bid to quash the measures that lost the Socialist government crucial support on the left. Scores of flights in and out of France were cancelled as air traffic controllers went on strike to try to force the government to repeal the changes that became law in July. / AFP / Thomas SAMSON (Photo credit should read THOMAS SAMSON/AFP/Getty Images)

A French riot police officer clashes with a man during a demonstration against the controversial labour reforms of the French government in Paris on September 15, 2016.
Opponents of France's controversial labour reforms took to the streets on September 15, 2016 for the 14th time in six months in a last-ditch bid to quash the measures that lost the Socialist government crucial support on the left. Scores of flights in and out of France were cancelled as air traffic controllers went on strike to try to force the government to repeal the changes that became law in July. / AFP / Thomas SAMSON        (Photo credit should read THOMAS SAMSON/AFP/Getty Images)

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Secretary-general of the French General Confederation of Labour (CGT) Philippe Martinez (C) looks on during a demonstration against the series of controversial labour reforms on June 23, 2016 in Paris. Paris riot police swarmed the French capital's historic Bastille area on June 23, 2016 as protesters gathered for the latest march in a marathon campaign against labour reforms that has seen recurring violence. Today's march will be the 10th in a wave of protests against the government's disputed labour reforms that kicked off in March, with many descending into violence, notably in Paris and the western cities of Nantes and Rennes. / AFP / DOMINIQUE FAGET (Photo credit should read DOMINIQUE FAGET/AFP/Getty Images)

Secretary-general of the French General Confederation of Labour (CGT) Philippe Martinez (C) looks on during a demonstration against the series of controversial labour reforms on June 23, 2016 in Paris.
Paris riot police swarmed the French capital's historic Bastille area on June 23, 2016 as protesters gathered for the latest march in a marathon campaign against labour reforms that has seen recurring violence. Today's march will be the 10th in a wave of protests against the government's disputed labour reforms that kicked off in March, with many descending into violence, notably in Paris and the western cities of Nantes and Rennes.
 / AFP / DOMINIQUE FAGET        (Photo credit should read DOMINIQUE FAGET/AFP/Getty Images)

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A man holds a flag of a French union as a banner reads 'Withdraw labour law' during a demonstration against controversial labour reforms, on June 28, 2016 in Rennes. Unions have called repeated strikes and marches in opposition to the law, which seeks to bring down France's intractable 10-percent unemployment rate by making it easier to hire and fire workers. / AFP / JEAN-FRANCOIS MONIER (Photo credit should read JEAN-FRANCOIS MONIER/AFP/Getty Images)

A man holds a flag of a French union as a banner reads 'Withdraw labour law' during a demonstration against controversial labour reforms, on June 28, 2016 in Rennes.  
Unions have called repeated strikes and marches in opposition to the law, which seeks to bring down France's intractable 10-percent unemployment rate by making it easier to hire and fire workers. / AFP / JEAN-FRANCOIS MONIER        (Photo credit should read JEAN-FRANCOIS MONIER/AFP/Getty Images)

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TOPSHOT - A man holds a smoke flare as people take part in a demonstration against the French government's planned labour law reforms, on June 2, 2016 in Marseille, southern France. France suffered a third day of rail strikes on June 2, 2016, but fears of transport chaos during the Euro 2016 football tournament eased as airport workers cancelled a walkout and a Paris subway strike had little impact. More demonstrations against the reforms -- which the government says are designed to make France more business-friendly -- took place in major cities on June 2 and workers were back on strike at 16 of the country's 19 nuclear power stations. / AFP / Anne-Christine POUJOULAT (Photo credit should read ANNE-CHRISTINE POUJOULAT/AFP/Getty Images)

TOPSHOT - A man holds a smoke flare as people take part in a demonstration against the French government's planned labour law reforms, on June 2, 2016 in Marseille, southern France. 
France suffered a third day of rail strikes on June 2, 2016, but fears of transport chaos during the Euro 2016 football tournament eased as airport workers cancelled a walkout and a Paris subway strike had little impact. More demonstrations against the reforms -- which the government says are designed to make France more business-friendly -- took place in major cities on June 2 and workers were back on strike at 16 of the country's 19 nuclear power stations.
 / AFP / Anne-Christine POUJOULAT        (Photo credit should read ANNE-CHRISTINE POUJOULAT/AFP/Getty Images)