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An injured spectator is treated after a crash at the conclusion of the NASCAR Nationwide Series auto race Saturday, Feb. 23, 2013, at Daytona International Speedway in Daytona Beach, Fla. Driver Kyle Larson's car hit the safety fence sending car parts and other debris flying into the stands. (AP Photo/David Graham)

Fans injured in multi-car Daytona crash

At least 28 fans sustained injuries when parts of Kyle Larson's car flew into the stands at the conclusion of Saturday's Nationwide Series race at Daytona International Speedway.