Nascar crash
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Daytona race officials say 28 people injured in crash

At least 28 fans have been injured in a multi-car crash during a Nascar race at Daytona in the US state of Florida.

Large pieces of debris - including a tyre - flew into the spectator stands when one of the cars hit a fence separating the track from the seats.

Daytona International Speedway's Joie Chitwood, and Nascar's Steve O'Donnell addressed a news conference shortly after the crash.