Driver who inhaled nitrous oxide jailed for 10 years 9 months for killing cyclist Harry Webb
Tiffany Treanor-Johnson, 27, was sentenced at Snaresbrook Crown Court for causing the death of cyclist Harry Webb, 27, in Hackney in September 2023. She had inhaled nitrous oxide and was driving at 53mph in a 20mph zone.
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The story, neutrally told
Mixed · 2Tiffany Treanor-Johnson, 27, was sentenced on Friday at Snaresbrook Crown Court to 10 years and nine months in prison and disqualified from driving for 10 years for causing the death of cyclist Harry Webb by dangerous driving. Evening StandardN “Judge Rosa Dean sentenced Treanor-Johnson to 10 years and nine months in prison, and disqualified her from driving for 10 years.” Read at Evening Standard ↗ MetroLC “Treanor Johnson was on Friday given a sentence of 10 years and nine months in prison, on top of a 10-year driving ban.” Read at Metro ↗ Mixed · 2The court heard she was driving an Audi at 53mph in a 20mph zone in Hackney, east London, on the evening of 10 September 2023 when she hit Mr Webb, a 27-year-old music student, at the junction of Kenworthy Road and Hassett Road. Evening StandardN “was speeding at 53mph in a 20mph zone in an Audi when she hit cyclist Harry Webb” Read at Evening Standard ↗ MetroLC “inhaled nitrous oxide before getting behind the wheel of her Audi on the evening of September 10, 2023” Read at Metro ↗ Mixed · 2She had been inhaling nitrous oxide, a class C drug, before the crash, and police found fragments of balloons used to inhale laughing gas in her car. Evening StandardN “The hearing was told police found fragments of balloons used to inhale laughing gas in the defendant’s car.” Read at Evening Standard ↗ MetroLC “Treanor-Johnson was arrested on the scene by officers, who found fragments of balloons in her car.” Read at Metro ↗
Centre · 1After the collision she mounted the pavement and hit a red Citroen, and the court heard she drove off, leaving Mr Webb seriously injured; he died in hospital days later. Evening StandardN “drove off after the collision at the junction of Kenworthy Road and Hassett Road, leaving Mr Webb”“died days later in hospital” Read at Evening Standard ↗ Mixed · 2The Citroen's driver, Brenton Henry, told the court he made eye contact with her and pulled forward to stop her, then took her car keys to prevent her leaving; one of two girls in the back of the Audi took a bag and left the scene. Evening StandardN “Mr Henry then got out of his car, walked to Treanor-Johnson’s vehicle and took her car keys to prevent her from leaving.” Read at Evening Standard ↗ MetroLC “one of the two girls travelling in the back of the Audi grab a bag before leaving the vehicle” Read at Metro ↗ Mixed · 2Mr Webb, a drummer and student at the London College of Contemporary Music, had moved into new accommodation that day and was on the phone to his father when he was struck; the call went silent, and a member of the public later picked up his phone and told his father what had happened. Evening StandardN “The call suddenly went silent as Harry was struck and fatally injured on Kenworthy Road.” Read at Evening Standard ↗ MetroLC “had only hours earlier moved into his new accommodation for his second year at the London College of Contemporary Music” Read at Metro ↗
Centre · 1He has since been awarded his master's degree posthumously. Evening StandardN “He has since been awarded his masters degree posthumously.” Read at Evening Standard ↗ Mixed · 2Treanor-Johnson initially denied causing death by dangerous driving and changed her plea to guilty in April this year. Evening StandardN “She had initially denied one count of causing death by dangerous driving before changing her plea to guilty in April this year.” Read at Evening Standard ↗ MetroLC “She had initially denied causing death by dangerous driving before admitting her guilt in April this year.” Read at Metro ↗ Centre · 1In mitigation, Stephanie Panchkowry said her client was in a state of shock and had always maintained she was not deliberately evading responsibility. Evening StandardN “She has always put forward that she was not evading, deliberately, what had happened.” Read at Evening Standard ↗
Mixed · 2Judge Rosa Dean told her: "You are solely to blame for the collision" and that she was sure Treanor-Johnson was probably impaired due to taking balloons. Evening StandardN ““You are solely to blame for the collision.” Read at Evening Standard ↗ MetroLC “Judge Rosa Dean, sentencing, said:” Read at Metro ↗ Centre · 1Mr Webb's mother, Pat, said in a victim impact statement that her life ended on the day of the crash, and later told the Press Association she was glad of the sentence and had expected less. Evening StandardN ““My life ended on September 10, 2023 after receiving a call from the surgeon.””““I’m glad she got what she got.” Read at Evening Standard ↗ Mixed · 2Outside court, his father Mike said nobody should be killed cycling in a 20mph area of London, called for lifetime driving bans for drivers who seriously injure or kill, and said road crime needs to be taken far more seriously, with more public information and enforcement. Evening StandardN “they should face a lifetime driving ban.” Read at Evening Standard ↗ MetroLC “called for road crimes to be taken more seriously and enforcement to be stepped up” Read at Metro ↗
Centre · 1A ghost bike, a painted bicycle memorial, and a picture of Mr Webb were placed at the junction where he was hit. Evening StandardN “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” Read at Evening Standard ↗
Every sentence links to the reporting it rests on. The pill in front of each says where its sources sit: Left, Centre or Right when one side supplies at least half of them, Mixed when they are evenly split. The number is how many outlets it cites.
Left1 outlet
- Framing
- Shorter report with the same lead, stressing speed at more than double the limit and the victim's loss.
- Emphasis
- Speed relative to limit, the mother's statement, the father's call for tougher enforcement.
- Leaves out or plays down
- Leaves out the phone call with his father and the mother's reaction to the sentence; headline rounds sentence to 10 years.
- Charged language
- “high on laughing gas”
- For example
-
“A driver who took laughing gas before speeding at more than double the limit has been jailed for killing a music student.” — Metro
Centre1 outlet
- Framing
- Detailed court report led by the speeding and laughing gas, with extensive victim statements and the sequence of events.
- Emphasis
- Family and friends' tributes, prosecution account, the phone call, mitigation and the judge's remarks.
- Leaves out or plays down
- None significant.
- Charged language
- “senseless road crime”
- For example
-
“Speeding driver high on laughing gas who killed music student on bike in east London is jailed” — Evening Standard
Right0 outlets
No right outlet in our sources has covered this story yet.
What every side reports
- Treanor-Johnson, 27, was sentenced to 10 years and nine months with a 10-year driving ban at Snaresbrook Crown Court.
- She was doing 53mph in a 20mph zone in Hackney on 10 September 2023 after inhaling nitrous oxide.
- She initially denied the charge and pleaded guilty in April.
- Harry Webb, 27, a London College of Contemporary Music student, was killed; a ghost bike marks the spot.
Where accounts differ
-
Length of sentence as described
- Left
- Metro's headline says 'jailed for 10 years', while its text gives 10 years and nine months.
- Centre
- Evening Standard says she was jailed for 'more than 10 years' and gives 10 years and nine months.
Tiffany Treanor-Johnson person
Through her barrister she said she was in shock and did not deliberately evade responsibility; she pleaded guilty in April after first denying the charge.
“She has always put forward that she was not evading, deliberately, what had happened.” — Evening Standard
Harry Webb person
Described by family and friends as intelligent, caring and a passionate drummer; his parents say his death was a senseless road crime and call for tougher enforcement.
“Road crime needs to be taken far more seriously in the UK and much more public information and enforcement is needed.” — Evening Standard
Left1 article
-
MetroLC ·
Speeding driver high on laughing gas jailed for 10 years for killing student
Sympathetic Condensed account emphasising speed and impairment, with the victim's family quoted.

Centre1 article
-
Speeding driver high on laughing gas who killed music student on bike in east London is jailed
Sympathetic Thorough court report centred on the victim and family statements alongside the judge's findings.

Right0 articles
No coverage yet.
- 10 Oct 07:43 First Evening StandardN Speeding driver high on laughing gas who killed music student on bike in east London is jailed
- 10 Oct 10:10 +2h 27m MetroLC Speeding driver high on laughing gas jailed for 10 years for killing student
Times are when each article was published, or when we first saw it if the outlet gave no time.