Tiffany Treanor-Johnson, 27, has been sentenced to over ten years in prison and banned from driving for ten years after speeding at 53mph in a 20mph zone while inhaling laughing gas and hitting cyclist Harry Webb in Hackney, east London. Webb, a 27-year-old music student at the London College of Contemporary Music, died days later due to severe brain trauma. The court heard that Treanor-Johnson fled the scene after crashing into another car and leaving Webb seriously injured on the side of the road.
Written locally by qwen2.5:14b on 2026-10-09,
using this article's own text rather than the other coverage of the
same event (that is the story summary below).
An Audi driver who was driving more than double the speed limit while inhaling laughing gas before hitting and killing a music student has been jailed for more than ten years.
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who → drive → years
Tiffany Treanor-Johnson, 27, was speeding at 53mph in a 20mph zone when she hit cyclist Harry Webb, mounted the pavement and crashed into another car in Hackney, east London in September 2023.
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she → speed → September
Treanor-Johnson drove off after the crash and left Mr Webb, a passionate drummer and musician, seriously injured on the side of the road, Snaresbrook Crown Court heard.
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Court → drive → road
Mr Webb, a 27-year-old student at the London College of Contemporary Music (LCCM), died days later in hospital after suffering major brain trauma.
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Webb → die → trauma
He has since been awarded his masters degree posthumously.
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He → award → degree
The court was told Treanor-Johnson, of Bramshaw Road, Hackney, had been inhaling class C drug nitrous oxide before the crash on the junction of Kenworthy Road and Hassett Road.
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Johnson → tell → Road
On Friday, Judge Rosa Dean sentenced Treanor-Johnson to ten years and nine months in prison, and disqualified her from driving for ten years.
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Dean → sentence → years
Treanor-Johnson appeared upset in the dock as the sentence was read out.
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sentence → appear → dock
Tiffany Treanor-Johnson, 27, was speeding at 53mph in a 20mph zone when she hit cyclist Harry Webb mounted the pavement and crashed into another car in Hackney, east London in September 2023
Harry Webb a 27-year-old student at the London College of Contemporary Music (LCCM), died days later in hospital after suffering major brain trauma
Pictured:
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Webb → speed → trauma
Harry Webb with parents Mike and Pat
Mr Webb – described as a 'intelligent and wonderfully caring' man – had been speaking to his father on the phone at the time of the crash, which left him with a 'traumatic' head injury, the court heard.
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court → describe → injury
Prosecutor Fiona Robertson said Mr Webb had just moved into his new accommodation to start his second year at LCCM earlier that day and called his father 'to thank him for his help'.
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Webb → say → help
She told the court: 'The call suddenly went silent as Harry was struck and fatally injured on Kenworthy Road.
'
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Harry → tell → Road
A member of the public discovered Mr Webb's mobile phone on the ground after the collision and was able to relay to his father what had happened and told him to make his way back to London.'
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what → discover → London
In a victim impact statement, Mr Webb's mother Pat said having him as a son was 'the greatest honour', adding he made 'a positive impression to everyone'.
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he → say → everyone
She told the court: 'My life ended on September 10, 2023 after receiving a call from the surgeon.
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life → tell → surgeon
We had just moved him into his new accommodation that day.'
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We → move → accommodation
She added: 'How can someone smash into him and drive away?
'
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someone → add → him
Watching someone you love die is an image you'll never forget.
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you → watch → ?
'I cannot bear waking up without him every day.
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I → bear → him
We have no future left, each day is painful.
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day → have → future
Tiffany Treanor-Johnson was raising money for Cancer Research UK in 2023, the year she went on to crash into Mr Webb, pictured here with her grandmother
In a statement read by the prosecutor, Mr Webb's father Mike said he felt 'so helpless' being 'miles away' when the collision happened.
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collision → raise → prosecutor
He said: 'The sound of the emergency sirens rushing to the scene will always haunt me.
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sound → say → me
'We both miss Harry constantly.'
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We → miss → Harry
Mr Webb had a maths and philosophy degree from Bristol University and a master’s in philosophy from the University of Amsterdam.
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Webb → have → Amsterdam
Mr Webb's friend George told the court: 'Nothing could have prepared me for suddenly losing Harry.
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Nothing → tell → Harry
'He was the most fun, caring, intelligent and wonderfully caring person you could ever meet.
uncertain
you → meet → ?
'I will surely suffer from the loss of him for the rest of my life.'
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I → suffer → life
Many friends of Mr Webb, along with family members, attended the hearing on Friday.
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friends → attend → Friday
Treanor-Johnson wept in the dock as the statements were read.
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statements → weep → dock
Earlier in the hearing, the court was told Treanor-Johnson's Audi subsequently hit a red Citroen.
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Audi → tell → Citroen
Brenton Henry, who was driving the Citroen, said he 'made eye contact' with Treanor-Johnson and 'pulled forward to stop her' as she was continuing into Ballance Road, the court was told.
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court → drive → Road
Mr Henry then got out of his car, walked to Treanor-Johnson's vehicle and took her car keys to prevent her from leaving.
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Henry → get → her
The court heard one of the two girls travelling in the back of Treanor-Johnson's car removed a bag from the vehicle as she got out and left the scene.
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she → hear → scene
The police then arrived and found Mr Webb lying on the floor, and arrested Treanor-Johnson.
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Webb → arrive → Johnson
Mike and Pat Webb, the parents of Harry Webb, stand outside Snaresbrook Crown Court, London
A so-called ghost bike, which is a painted bicycle placed as a memorial near a site where a cyclist has died, was installed at the junction where Mr Webb was hit, together with a picture of him
Police found fragments of balloons used to inhale laughing gas in the defendant's car.
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Police → stand → car
Mitigating, Stephanie Panchkowry said: 'Ms Treanor-Johnson was clearly in a state of shock at the time of what had happened.
'
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what → mitigate → time
She has always put forward that she was not evading, deliberately, what had happened.'
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what → put → ?
The judge told Treanor-Johnson: 'You are solely to blame for the collision.
'
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You → tell → collision
I am sure that you were probably impaired due to taking balloons.
'
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you → take → balloons
We must all hope that you truly are sorry.'
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you → hope → ?
…and 8 more, not listed.