Fans are receiving medical treatment after at least ten cars crashed into each other during the Daytona Speedway, causing debris to fly into the stands.
Reports differ on the number of spectators injured as a result of the accident which took place before NASCAR's main event the Daytona 500.
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The prince will meet the country's indigenous people on the penultimate day of his tour of the West Indies.
The University of Colorado said it is also terminating Dr Michelle Herren's non-paid medical faculty appointment.
The Dutch KLM pilot was escorted off the aircraft and taken to hospital by ambulance crews.