Rayon Newby, from east London, was let out of jail in error on March 17.

He was released from HMP Thameside, a category B prison in south east London, where he was serving a sentence for assaults, harassment and burglary.

The 20-year-old has links to Tower Hamlets and Ilford.

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He is black, about 5ft 10ins, of heavy build and has pierced left ear.

The Met said people should not approach Newby, who has a London accent.

The force added: “Anyone who sees him, or knows where he is should call 101 or Tweet @MetCC quoting reference CAD 3195/30Mar.

“To remain anonymous, contact Crimestoppers on 0800 555 111.”