COMEDIAN Sean Lock bravely spoke out about battling cancer 30 years ago - but only close pals knew the disease had returned.
The 58-year-old revealed he had suffered skin cancer in 1990 and warned the public about the dangers of not wearing sunscreen.
It is not known which cancer the 8 Out Of 10 Cats star died of today, but his close celeb friends suggested he knew his illness was terminal.
Fellow comic Lee Mack said today he'd known of the 8 Out Of 10 Cats star's illness for "some time". And Jonathan Creek actor Alan Davies said Lock had "quietly wrestled" with his diagnosis.
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