Riot police use water cannons and teargas to disperse thousands of people trying to reach the city's main Taksim Square to celebrate May Day in Istanbul, Turkey, Thursday, May 1, 2014. The government ... more 
Riot police use water cannons and teargas to disperse thousands of people trying to reach the city's main Taksim Square to celebrate May Day in Istanbul, Turkey, Thursday, May 1, 2014. The government deployed about 40,000 police officers in Istanbul and closed the main roads leading to Taksim Square.(AP Photo/Emrah Gurel) less 
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Associated Press | Photo By Emrah Gurel
Thu, May 1, 2014 8:00 AM EDT