A 35-YEAR-old man performed a sex act in a pub beer garden.

Blackburn magistrates heard Michael Brian Scott was pleasuring himself for 40 minutes before he was arrested.

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Scott, of Mosley Street, Blackburn, pleaded guilty to outraging public decency. He was sent in custody to Preston Crown Court to be sentenced.

Catherine Allan, prosecuting, said Scott had a previous history for obscene behaviour and had previously been jailed for 32 weeks for outraging public decency.

"He was in the beer garden of Clitheroe Kate's on Mincing Lane and people were constantly walking past," said Miss Allan.

The court heard Scott had been drinking and had snorted five lines of cocaine before committing the offence.

Richard Prew, defending, said Scott couldn't explain his behaviour.

"He has been working as a fork lift truck driver for the last two years and lives with his partner who sits at the back of court," said Mr Prew. "She finds his behaviour difficult to explain."