American ski great Lindsey Vonn led tributes to French ski racer David Poisson who died after a crash in training. The 35-year-old speed specialist, who competed for France at the 2010 and 2014 Winter Olympics, was training in the resort of Nakiska in Canada Monday. "This is devastating, My deepest condolences to his family. Rest In Peace David " tweeted Vonn, America's most decorated skier. ." The U.S. Ski Team also sent its condolences: "So sad to hear that David Poisson passed away after a training crash today in Canada.