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A young boy with a scarf covering his mouth and nose stands with other demonstrators during clashes with riots police on Taksim square on June 11, 2013. Riot police re-entered Istanbul’s protest square today, firing tear gas and rubber bullets at firework-hurling demonstrators in a fresh escalation of unrest after Turkish Prime Minister Recep Tayyip Erdogan said he would meet with protest leaders. Hundreds of police officers backed by armoured cars moved in on Taksim Square — the epicentre of nearly two weeks of deadly anti-government demos — in the early morning, saying they wanted to remove makeshift barricades erected by protesters and clear the area of flags and banners. AFP PHOTO / Angelos TzortzinisANGELOS TZORTZINIS/AFP/Getty Images ORG XMIT: –