Another boy, 17, has pleaded guilty to the manslaughter of Max Dixon in the same attack.
www.bbc.co.uk
A 15-year-old boy has pleaded guilty to the murder of a teenager.
The boy, who cannot be named, has admitted murdering Mason Rist, 15, who died after being stabbed twice in an attack outside his home in Knowle West, Bristol, on 27 January.
Another boy, 17, has pleaded guilty to the manslaughter of Max Dixon, 16, who died after being stabbed once in the same attack.
Antony Snook, 45, Riley Tolliver, 18, and three teenagers aged 15, 16, and 17 who cannot be named - are all jointly accused of both murders, and are currently on trial at Bristol Crown Court.
The 15-year-old has pleaded not guilty to the second count of murder, and the 17-year-old has pleaded not guilty to both charges, though guilty to the reduced charge of manslaughter against Max.
The three other defendants deny all charges.