A boy aged 11 years has been jailed for 13 for murder of Christopher Barry . He stabbed Mr Barry , a builder , twice in 'cowardly and unprovoked ' attack . Teenager was a member of the notorious Wood Green Gang in London . Boy was thrown out of school at 11 for possessing cannabis and a knife .
A boy aged 13 has been jailed for 11 years for murder of Christopher Barry . He stabbed Mr Barry , a builder , twice in 'cowardly and unprovoked ' attack . Teenager was a member of the notorious Wood Green Gang in London . Boy was thrown out of school at 11 for possessing cannabis and a knife .