Paul Bateman had his swimming shorts down and was in the midst of the lewd act at Bannatyne Health Club and Spa when he was spotted.

Bannatyne Health Club (Image: Newsquest)

Norwich Magistrates' Court heard the police officer had been at the Thorpe St Andrew health club while off-duty.

When he went to use the spa facility, he saw 58-year-old Bateman carrying out the sex act and confronted him.

Norwich Magistrates Court (Image: Peter Walsh, Newsquest)

Lilika Peutherer, prosecuting, said: "He noticed the defendant's shorts pulled down and saw........

© Norwich Evening News