Will Power has been released from hospital following his involvement in the Las Vegas IndyCar accident in which Dan Wheldon lost his life, while Pippa Mann and JR Hildebrand will be kept in overnight for observation.
Power, Mann and Hildebrand were all caught up in the 15-car accident on lap 11 of the Las Vegas event.
Title contender Power was taken to hospital for checks after suffering pain in his lower back, but no significant injuries were found.
Mann and Hildebrand will remain in hospital for a further night for observation purposes.
The accident began when light contact between James Hinchcliffe and Wade Cunningham sent the latter spinning across the pack, causing a chain reaction that resulted in several cars being launched into the air and catching fire, including that of Wheldon, who died from his injuries.
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