"Christopher Morris, a photographer on assignment for Time magazine, is escorted by police during a Trump rally in Radford, Virginia, on February 29, 2016. Morris said a Secret Service agent choked him and slammed him to the ground as he tried to leave a media pen at the event. <a href=""http://www.cnn.com/2016/02/29/politics/donald-trump-event-protest-rally/"" target=""_blank"">The incident was caught on video.</a>"
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