BOY OF 15 STABBED TO DEATH AT SCHOOL; By JEFF EDWARDS and ALLISON MARTIN.

A HEADMASTER paid tribute last night to a "lovely" 15-yearold boy stabbed to death at the gates of his school.

Horrified staff and pupils saw Kian Prince collapse after a fight as children were going home. Teachers called police, who arrived within a minute, said Phil Hearne, head of London Academy School in Edgware, North West London.

Kian's mum rushed to the scene but arrived after the ambulance took him to the Royal London Hospital in Whitechapel.

Two hours later, Kian - a promising footballer on the books of Queens Park Rangers - was declared dead. It comes as the Government is due to launch a nationwide knife amnesty next week.

Mr Hearne said children and staff were devastated. He said: "When I had to announce to people that he was dead, I had very tough senior members of staff in tears. Since then it has been absolute shock. This was a lovely young man." He said Kian was "a natural born leader - looked up to by youngsters, an extremely reliable, hard-working, bright young man."

Jackie White, a friend of Kian's family, said: "My son said he was play-fighting with another boy and got the better of him. Apparently, the boy got upset, got a knife out and attacked him."

Another friend said that Kian lived with his mum and 17-year-old sister. Police sealed off the entrance to the school. A number of children, some in shock, were quizzed by detectives.

Scotland Yard said: "A murder inquiry has been launched. No arrests have been made."

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QPR: Killed boy's club