Police have released footage of a teenager being chased by three men moments before he was stabbed to death in Norwich.
Joe Dix, 18, was attacked outside his flat in Vale Green, Norwich, after he had gone to help a friend in a nearby crack house which being robbed by Hans Beeharry, 20, Benjamin Gil, 19, and Cameron Palmer, also 19.
convicted of murder - confronted Mr Dix before chasing him through the streets and attacking him.
The trio, from Norwich - who have beenHe died in hospital after the stabbing on January 28 last year.
CCTV cameras in the area picked up Mr Dix being pursued by his killers.
Norfolk police released footage of some of the chase after the sentencing of Beeharry, Gil and Palmer earlier this week.
Both Gil and Palmer were holding weapons during the chase.
At 6.55pm Mr Dix could be seen on the footage walking back walking towards his home before collapsing.
At Wednesday's sentencing Beeharry was given life with a minimum of 20 years, Palmer life with a minimum of 21 years and Gil to life with a minimum of 21 years by Judge Alice Robinson.
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