Emergency responders described the aftermath of the brutal attacks at the £41,000-a-year Blundell's School in Tiverton, Devon, as a "bloodbath".
The 17-year-old boy claimed he was sleepwalking at the time, but was found guilty of three counts of attempted murder with the intent to kill by a majority verdict. He will serve a minimum of 12 years before parole can be considered.
During his trial at Exeter Crown Court, the jury heard how two of the victims, aged 16 and 15 at the time, suffered life-changing injuries and will never fully recover.
Smashed
Prosecutor James Dawes KC told the jury: "He smashed the hammers into their heads as they slept.
Denne historien er fra October 19, 2024-utgaven av Daily Express.
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Denne historien er fra October 19, 2024-utgaven av Daily Express.
Start din 7-dagers gratis prøveperiode på Magzter GOLD for å få tilgang til tusenvis av utvalgte premiumhistorier og 9000+ magasiner og aviser.
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'I want the chance to prove myself again'
PEP GUARDIOLA feels the need to prove himself all over again-despite his glittering successes at Manchester City.
SEAN HAILS BRAVE CALL
SEAN DYCHE says Everton made a \"brave decision\" to reject Manchester United's £50million offer for Jarrad Branthwaite.
Howe looks to end Toon striking issue
EDDIE HOWE is banking on the competition between Alexander Isak and fit-again Callum Wilson to spark a faltering attack.
Iraola won't play it by the book
ANDONI IRAOLA admits Bournemouth will miss Antoine Semenyo but is happy to accept yellow cards as the price for the club's style of play.
McKenna refuses to rest on laurels and asks for more
KIERAN MCKENNA has warned Ipswich they must build on their improving Premier League form.
Davies sends Blades to top of pack
TOM DAVIES came off the bench to score a late winner as Sheffield United went top.
STAYING AT RED BULL IS TARGET FOR MAX LEGACY
Champion insists he does not need to win elsewhere
How Pope managed to get out of a Stew
OLLIE POPE revealed a heart-to-heart with his mentor Alec Stewart helped pave the way for his timely return to form against New Zealand.
Former intern fights boss for half his £1m company
AN antiques dealer to the stars is locked in a bitter court fight with a former intern who says she has a right to half of his £1million firm.
Highgrrrove's not too ruff for us...
MISSY the English cocker spaniel looks excited to be meeting a King Charles, but Percy the white bichon cross appears to have realised her mistake...