Protesters kick teargas back towards riot police. Violent clashes erupt as thousands of protesters and trade unions gather in Paris for this year's International Workers Day.?Originally a day to celebrate labourers and the working class, this year sees a continuation of protests against president Macron�s leadership.?Heavy clashes erupted as�anti-capitalists�joined�the march, engaging in street battles with riot police; hurling bricks, bottles and smashing shop windows. Police responded with tear gas and baton charges. (Photo by Christopher Walls / SOPA Images/Sipa USA)