The Scottish producer was taken to hospital after the “serious” collision in Los Angeles.
Highways England advises that drivers may face delays of about 15 minutes.
The royal was an honorary judge of the competition.
Jose Mourinho is expected to finally be confirmed as Manchester United's new manager on Friday after ironing out the terms of his contract.
Former Manchester United defender Rio Ferdinand believes any fans worried by the imminent arrival of Jose Mourinho as manager only need to look at the Portuguese's success elsewhere.
Chris Woakes must deliver the wow factor on his England Test return if he is to win over the Durham crowd in the absence of Ben Stokes.
Andy Murray will hope a change of scene can bring a change of rhythm to his French Open campaign.
The Hollywood director told Harvard University graduates that racism, homophobia and religious hatred was prevalent around the globe.
A jury is set to decide whether a Slovakian model who shot a British millionaire twice in the head is guilty of his murder.