A prisoner, convicted of grievous bodily harm, has gone on the run from HMP Hatfield
Ian Stirzaker, 35, failed to return to the Doncaster open prison on Sunday (August 10) following day release.
Stirzaker, originally from Bradford, was sentenced to 90 months in prison for grievous bodily harm at Bradford Crown Court in July 2011.
He is white, 5ft 8ins tall, with brown hair.
He was last seen wearing a white t-shirt, black jogging bottoms and white trainers.
Officers from South Yorkshire Police are liaising with colleagues in West Yorkshire to carry out enquiries.
Stirzaker is the ninth prison to flee from HMP Hatfield in 12 weeks.
Anyone with information as to his whereabouts is asked to call South Yorkshire Police on 101 quoting incident number 990 of 10/08/2014.