Policeman and former Mr Gay UK winner, Mark Carter, has been arrested on suspicion of carrying out a sexual offence.
He was arrested at a city centre hotel in the early hours of Saturday morning and later released on bail.
Pc Carter, 27, has been suspended from his job with West Yorkshire Police while his colleagues investigate the alleged incident in Leeds.
PC Carter joined West Yorkshire Police in 2004 and was praised for his courage when he later publicly admitted he was gay.
Pc Carter was crowned Mr Gay UK in 2006 at the Flamingo Club in Blackpool. He was supported at the contest by around 50 colleagues who travelled to the event in matching T-shirts bearing his photograph.
A police spokesman said: “Inquiries are ongoing and the man has since been bailed pending further inquiries.”