Frankie Dettori has told the Daily Star that he was "ashamed and embarrassed" after being banned for six months over a positive drugs test.
He said: "It was one night of madness with friends. I dropped my guard at a moment when I was at my weakest."
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Rescue workers are at the site Sunday morning trying to cut open mangled coaches.
Despite chilly temperatures it will be a mostly dry day, and milder than yesterday.
The Sunday Times alleges a missile malfunctioned after launch during a routine test of the UK's nuclear deterrent last year.