Girum Mekonnen, 19, died from a 25cm-deep stab wound allegedly inflicted during the attack and 10 people were injured.
One of 12 men accused of murdering a teenager admitted his role in the killing during a phone call after a violent ambush in a park, a judge has heard.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback