Police are appealing to find a man who is wanted for failing to comply with the conditions of his licence.
Nathan Warburton was previously convicted of manslaughter back in 2013 and was sentenced to nine years' imprisonment.
Warburton, who was 20 at the time, was found guilty of manslaughter on 12 December 2013 at Bristol Crown Court.
Alongside Lewis Talbot, 18, he was involved in a pre-arranged fight which led to the death of Jake Milton, 17, who was stabbed five times in the chest, back and arm during an attack on him in Knowle West on 14 June 2013.
Warburton, who is now 26, is currently wanted by Avon and Somerset Police.
Police describe Warburton as being white, about 6ft tall and slim with brown hair and brown eyes.
The police have said that if you see him, don't approach him but call 999 immediately, quoting reference 5220049466.
If you have any other information for police which could help them trace him then the advice is to call 101 and quote the same reference number.
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