A British prison monitor is said to be facing jail for having phone sex and texting saucy pictures with three lags.

Alice Belton, 23, who was a volunteer for the Ministry of Justice's Independent Monitoring Board, texted the men over a six-month period at HMP Parkhurst on the Isle of Wight, the Sun reported.

Her job had been to check that standards of care and decency are being kept in prisons.

Belton admitted having "personal and inappropriate relationships" with the inmates at Newport Crown Court last week, and pleaded guilty to a single count of misconduct in a public office between October 2008 and April 2009.

The court was told that the offence carries a maximum sentence of life imprisonment.

Parkhurst is a category B prison housing many lifers, with famous former inmates including Yorkshire Ripper Peter Sutcliffe and gangsters Ronnie and Reggie Kray.

Belton, of Bexhill-on-Sea, East Sussex, will be sentenced on March 30. (ANI)