Bobsleigh 'breaks legs' of worker in Olympic track crash
A bobsleigh takes a practice run at the Sanki Sliding Centre in Rosa Khutor on February 13, 2014 - by Lionel Bonaventure
The incident occurred at the start of training for the two-man bobsleigh competition when the forerunner bob, which is used to clear and test the track at the beginning of the day's schedule, hit a track worker.
Video footage shown on the media mixed zone's monitors just minutes after the incident showed paramedics and volunteers trying to evacuate the man who was lying on track.
Sochi officials later confirmed the incident which took place between the exit of the final curve and the finish line and that training had been delayed.
"The worker was injured and taken to hospital by helicopter ambulance," said a statement although organisers did not confirm the extent of the victim's injuries.
Safety at sliding tracks has been a major issue ever since the 2010 Olympics in Vancouver when Georgian 21-year-old luger Nodar Kumaritashvili died after a crash during a training descent.
The Sanki track will later Thursday stage the luge team relay gold medal event which is due to start at 1615GMT.