Shaw was involved in an accident at Alexandra Park on March 11.

Shaw's friend and fellow driver Peter Ferguson said the surgery to reattach part of his skull, went "very well" and Shaw was awake and talking just two hours after it ended.

The section of skull had been frozen and stored at the hospital.

Ferguson wanted to thank everyone who had made donations to the Tony Shaw Trust which was set up after the accident.

"Just a blanket thank you, an acknowledgement of everyone's contributions."

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