Protesters help an injured man as they run away from tear gas fired by Indian police while they are driven back from North Block near the Presidential Palace in New Delhi, India, Saturday, Dec. 22, 2012. Police used tear gas and water cannons to push back thousands of people who tried to march to the presidential mansion to protest the recent gang rape and brutal beating of a 23-year-old student on a moving bus. (AP Photo/Saurabh Das)
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