By Kerry Mcdermott PUBLISHED: 11:41 EST, 8 July 2013 | UPDATED: 11:42 EST, 8 July 2013 A boy of 15 was stabbed eight times in a frenzied knife attack at a bus stop as he walked his girlfriend home from school. Jake Anderson suffered a punctured lung when Dale Warburton, 17, lunged at him during a confrontation and knifed him in the back and side in Preston. Warburton's knife pierced the schoolboy's shirt, jumper and thick winter coat and the blade bent under the force of the impact, a court was told. 'Dangerous young man': Dale Warburton, 17, left, attacked Jake Anderson, seen right with his girlfriend Katy Singleton, with a knife as the couple were walking home from school in Lancashire
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Jake Anderson attacked by 'dangerous' Dale Warburton, 17, in Preston
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Victim had confronted Warburton about texts he sent to a mutual friend
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Attack ceased thanks to 'bravery' of two boys who stepped in to seize knife
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Warburton jailed for six years after admitting causing grievous bodily harm
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Jake suffered a punctured lung but has since made a full recovery
@placeholder, now 16, said after the case: 'I was so scared at the time - it was the most terrifying thing that has ever happened to me.