A petrol bomb explodes in front of  riot policemen during clashes in Taksim Square in Istanbul, Turkey, Tuesday, June 11, 2013. Hundreds of police in riot gear forced through barricades in Istanbul&#39;s central Taksim Square early Tuesday, pushing many of the protesters who had occupied the square for more than a week into a nearby park. &#40;AP Photo&#47;Kostas Tsironis&#41; <span class=meta>(AP Photo&#47; Kostas Tsironis)</span>
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