Amir Khan announces his retirement from boxing

Amir Khan has announced his retirement from boxing (Nick Potts/PA)

Amir Khan, the 2004 Olympic silver medallist who became a unified world champion at light-welterweight, has announced the end of his in-ring career.

Khan retires with a professional record of 34 wins from his 40 fights, his legacy as one of the most entertaining and finest British boxers of his era secured a long time ago.