Milton Keynes fatal stabbing: Video shows teen with knife
CCTV video shown in court captured the moments before and after a fight in which a teenager was stabbed.
Ahmednur Nuur, 16, died after he was attacked by Justice Will-Mamah, 18, in Chaffron Way, Milton Keynes on 11 February.
Will-Mamah has been jailed for 11 years after being cleared of murder, but convicted of manslaughter.
BBC Look East reporter Jon Ironmonger looks back at the day of the incident.