Protesters run from riot police in the heart of Istanbul.<br/> <br />Police moved in on anti-government demonstrators shortly after dawn, and Taksim Square was soon filled with tear gas and small fires.<br/> <br />Cheers erupted when police pulled back to the fringes of the square, but clashes soon reignited.<br/> <br />One protester feared it was a rehearsal for a raid on adjacent Gezi Park and said fighting back would only make things worse.<br/> <br />Authorities say there is no intention to break up the sit-in inside the park, where a peaceful demonstration against downtown development plans began two weeks ago.<br/> <br />(SOUNDBITE) (Turkish) TURKISH PROTESTER SAYING:<br/> <br />"I think Turkey is being pulled into darkness. I don't know what will happen next. But we are all concerned and our concerns are intensifying day by day."<br/> <br />Police crackdowns on the protests have intensified anger against the government and brought thousands to the streets in several cities across Turkey.<br/> <br />The clashes have in
