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Photo by: Tony Mitchell

In this image from video armored personnel carriers roll toward Pearl Square occupied by anti-government protesters Wednesday, Feb. 16, 2011. Riot police firing tear gas and wielding clubs stormed a landmark square occupied by anti-government protesters before dawn Thursday, driving out demonstrators and destroying a makeshift encampment that had become the hub for demands to bring sweeping political changes to the kingdom. (AP Photo/Tony Mitchell, HO)

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