Police hunting for a man who was mistakenly released from prison have reissued an appeal for information on his whereabouts.

Hammersmith & Fulham officers are trying to track down 34-year-old Ryan Byrne who is wanted on recall to prison .

Byrne was sentenced to a total of nine years in prison in 2008 for burglary and a violent robbery where he raided a shop with a large machete.

On July 17, police were informed by HM Prison Service that Byrne had been released in error from Wandsworth Prison.

Police were informed by HM Prison Service on Friday, 17 July, that Byrne had been released in error from Wandsworth Prison.

He is described as a white man, 5ft 11ins tall and of medium build. He has a bald head and may have a light, stubbly beard. He habitually wears jeans, polo shirt or t-shirt and aviator-style sunglasses.

Byrne is believed to have been in Wardour Street, Westminster , on Saturday July 18, and is also thought to have been to the north-west London area since then.

Active enquiries continue to establish his whereabouts and police are following up a number of lines of inquiry. Anyone assisting or sheltering him is reminded that they would be liable to criminal proceedings.

Anyone who sees Ryan Byrne is asked not to approach him but to contact police immediately on 999.

Anyone with any information on his whereabouts please contact the Crime Squad at Hammersmith Police Station via 101 or Crimestoppers on 0800 555 111.