Teenager's Knife Killer Gets Life!

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Kevron Williams, 17, who was convicted of attempting to cause grievous bodily harm, was given four years' youth detention.

He had punched Martin to the ground and stabbed him in the buttocks with a screwdriver during the chase.

Judge Brian Barker, the Common Serjeant of London, said: "The public have every right to be concerned about the increase and growth of this sort of violence.

"It is a tragedy that this sort of triviality caused such a young man to lose his life and has caused enduring heartache to his friends and family."

Chin stabbed Martin after being knifed twice himself during a series of flare-ups between the two groups.

The judge told him: "This was a vengeful attack out of all proportion to what may have gone on before and no mercy was shown."

As well as attacking the shopkeeper, Chin also had a criminal record for possessing a snooker ball in a sock and threatening a man with a hollow bar.

The court heard Martin - who lived on a housing estate where there was rivalry with youths on another estate - had been "entirely without blame" during the final confrontation

His mother, Lorraine Dinnegan, said in a statement: "Martin was a charming, loving boy who has left us with cherished memories that will remain with us forever.

"The pain that Martin's death has caused for our family is indescribable. Life will never be the same, a piece of our heart has been taken.

"We as a family will never make sense of the unnecessary suffering that was
inflicted upon Martin.

"It was extremely sad to be burying Martin at the tender age of 14.

"We thank God for the strength that He has given us throughout this whole unimaginable experience."

She said days before he died, Martin - the second of five children - had written a piece of homework about a man who was chased by a group and left for dead by the side of the road.