LONDON, England (CNN) -- Pop star George Michael was cautioned by police in London after being arrested in public toilets on suspicion of possessing drugs, the UK's Press Association reported.



George Michael has talked candidly about drug use in the past.



In a statement, the Metropolitan Police said a 45-year-old man had been arrested in the Hampstead Heath area of London on Friday. He was later released with a caution for possession of class A and class C drugs.



The statement did not name Michael, but other sources confirmed his identity.



Reports Sunday said Michael had been arrested following a tip-off to police from a suspicious toilet attendant, PA said.



The 45-year-old, who has sold more than 100 million records worldwide, has talked openly about his use of drugs in the past.



In an inteview with the BBC last year he admitted: "I'm a happy man and I can afford my marijuana so that's not a problem."



Last May he pleaded guilty to driving while unfit through drugs and was banned from driving for two years after being found slumped behind the wheel of his car.
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question: Who was arrested?, answer: George Michael | question: Who tipped off police?, answer: suspicious toilet attendant, | question: What class drugs did the star have in possession?, answer: C | question: What did he possess?, answer: class A and class C drugs. | question: Who tipped police off?, answer: a suspicious toilet attendant, | question: Who tipped police?, answer: suspicious toilet attendant, | question: Where was Michael arrested?, answer: London | question: Where did the crime happen?, answer: LONDON, England | question: What did the star posses?, answer: class A and class C drugs. | question: Who was arrested for drugs in a public restroom?, answer: George Michael | question: Who reportedly tipped off the police?, answer: a suspicious toilet attendant,