GETTY Metro workers are threatening to strike during Euro 2016 in Paris

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The strike action due to kick off on June 2 - just one week before the first match - is set to cause chaos in the French capital during the football completion. France’s hardline CGT union has called for strikes by transport workers in the Paris region over pay demands and in protest against controversial labour reforms. The sweeping changes to employment law pushed through by the French Government have sparked off waves of strikes and street protests - many of which have turned violent.

If the Government continue to drag their heels, we will target Euro 2016

CGT bosses said the strike would disrupt all services run by RATP - the state-owned operator of public transport in Paris - including the Metro, tram, overground trains and certain bus services. The threat adds to the French Government’s headache as it deals with ongoing protests and strikes and concerns over the organisation and security of Euro 2016. The French capital is set to host a number of games - including the opening match and the final - at the Parc des Princes stadium in southern Paris and the Stade de France and the Saint-Denis suburb. Railway unions have also threatened to go on strike during Euro 2016, potentially causing misery for the millions of fans expected in France during the month-long competition.

GETTY The main public transport union has called for strikes to start on June 2

CGT is already spearheading weekly rail strikes and other protests which look likely to continue into June when the competition begins. Patrice Clos, secretary general for a trades union for transport workers, said: "Our advantage is Euro 2016. If the Government continue to drag their heels, we will target Euro 2016." Ongoing strikes and blockades by oil refinery workers have also forced the closure of hundreds of petrol stations across France - with protesters refusing to back down before the competition. The French government is currently debating whether emergency supplies of fuel may have to be used.

Nearly 10 million supporters are expected during the sporting event - and will be travelling across France to the 10 host cities in order to cheer on their teams. During the group stages England fans with have to travel to Marseille in the south of France, Lens, northern France, and Saint-Étienne in eastern central France. Euro 2016 organisers have also come under increasing pressure to ensure the safety of fans with the ability of French security forces coming under intense scrutiny after the Paris attacks. Stadium security has come under fire after the French cup final descended into chaos at the weekend, with outbreaks of violence and supporters managing to smuggle in firecrackers, smoke bombs, glass bottles and other dangerous objects into the sporting event.

GETTY The Stade de France was targeted by terrorists last year

Organisation at the Stade de France in Paris crumbled as unrest and violence erupted among thousands of frustrated fans crammed into bottlenecks as they queued to enter the stadium. One fan said terrorists would have had a “field day” in the disorder at the stadium which was targeted by Islamic State (ISIS) jihadis just six months ago. Police under increasing strain with ongoing protests have also expressed concern over ensuring fans’ safety during Euro 2016.

GETTY Blockades and strikes by oil refinery workers are also causing chaos in France