A "DANGEROUS" sexual offender and robber has escaped from HMP Leyhill.

Police are appealing to the public for their help in locating 59-year-old Isaac Parker, who escaped the prison today at around 8.30am.

Officers consider Parker, who is currently serving a custodial sentence for sexual offences and robbery, to be dangerous and are advising the public not to approach him.

They have also said he has links to the Reading and Oxford areas.

He is described as white, approximately 5ft 7ins, of medium build, with green eyes and receding short grey hair.

It is thought he could be wearing a grey prison tracksuit but may also be wearing a grey jumper, red t-shirt, blue jeans and white Reebok trainers.

Police have asked for anyone who sees him to call 999 immediately quoting log 502 of 28/05.

Anyone who might have knowledge of his whereabouts are asked to call 101, quoting the same reference.