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Chilling moment gang corner man, 21, 'like pack of animals' and stab him to death - as killers caught trying to flee the country are jailed for total of more than 100 years

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Rossiter, J. (2026, October 4). Chilling moment gang corner man, 21, 'like pack of animals' and stab him to death - as killers caught trying to flee the country are jailed for total of more than 100 years. Daily Mail. https://www.dailymail.com/news/article-16180549/Chilling-moment-gang-corner-man-stab-death.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Dated when The Aporia collected the article, usually within hours of publication. Check the original for its exact date and byline.

Daily Mail · collected 2026-10-04 · by Joe Rossiter

Quick Summary

A gang of masked attackers armed with knives and machetes killed Dale Martin, 21, in Derby on June 15 last year. The attack occurred after the gang blocked Martin's car with electric bikes to corner him before stabbing him multiple times. Six individuals involved—Jayden Mannion-Roberts, Keenan Hamblett, Ki Grant-Finlayson, Shaylon McCalla, Kelci Thompson, and Kayin Holmes—were arrested and convicted for their roles in the murder or manslaughter. Mannion-Roberts received a life sentence with a minimum term of 27 years, while Grant-Finlayson was sentenced to 18 years and Hamblett to 17 years and six months. The attack stemmed from ongoing tensions between rival groups in Derby's Sinfin, Allerton, and Osmaston areas.
Written by AI on 2026-10-04, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

In June 2023, Dale Martin, 21, also known as DJ, was fatally stabbed in Derby by a gang of masked attackers. The attack occurred after the assailants used electric bikes and a moped to block Martin's Renault Megane on the street. Footage showed the killers shouting 'kill him' before stabbing Martin multiple times; he later died from his injuries.

The attack was part of ongoing tensions between two rival groups in Sinfin, Allerton, and Osmaston areas, following earlier confrontations that weekend. Six individuals were involved: Jayden Mannion-Roberts (murder conviction), Keenan Hamblett, Ki Grant-Finlayson (both manslaughter convictions).

Mannion-Roberts received a life sentence with a minimum term of 27 years; Grant-Finlayson was sentenced to 18 years, and Hamblett to 17 years and six months. Both Grant-Finlayson and Hamblett attempted to flee the country by heading to Tunisia but were arrested before boarding their flight.

Written for “Knife Crime Sentencing” on 2026-11-04, grounded in this article and the 0 other(s) covering the same event.

Story

📰 Knife Crime Sentencing
Crime & Law · 1 article(s) covering the same event.

Compared with similar articles

This article reads unscored and hedges 4% of its claims. Each row says how that neighbour differs.
Daily Mail
Hedges 0 of 14 claims Outlet record 69/100
“The articles describe two different murders of young men, one in Derby with a gang attack involving knives and machetes, and another at a Queensland house party involving significant head injuries.”
Daily Mail
⚖️ Leans right Hedges 1 of 34 claims Outlet record 69/100
“The articles describe different types of crimes - one is about a stabbing murder in Derby, while the other is about burglaries across London and the Home Counties.”
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
23
sentences that state something as happening or true
Uncertain
4%
1 of 23 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
69/100
Daily Mail's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
1
Crime & Law
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-10-04 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

Daily Mail · 9143 article(s) · 22 correction(s) detected
Running correction rate · 22 correction(s)

Who wrote this

Joe Rossiter
54 article(s) here · 1 carrying a prediction
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🔮 President Javier Milei previously warned his country would 'recover' the Falklands and told the UN General Assembly in New York that Argentina could be forced to 'take matters into our own hands'.
🔮 After wildfires raged across Britain this summer, war continued across the world and fears of a new 'plague' emerged from Russia, it is understandable that some may have felt the world was going to end.
🔮 She also asked for planning permission to build guest accommodation and 'leisure facilities' according to planning documents. But residents have said the revamped business may represent overdevelopment and bring heavy traffic and congestion to the hamlet.
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Also by Joe Rossiter
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 54 articles by Joe Rossiter →

Topics

Allerton Derby Osmaston Renault Megane Tunisia

Subjects

Martin PERSON · 7× Dale PERSON · 3× Dale Martin PERSON · 3× Jayden Mannion-Roberts PERSON · 3× Keenan Hamblett PERSON · 3× Ki Grant-Finlayson PERSON · 3× Derby GPE · 2× Kayin Holmes PERSON · 2× Kelci Thompson PERSON · 2× Shaylon McCalla PERSON · 2×

Narrative

Dale Martin, also known as DJ, was stabbed to death by a gang of masked attackers in June last year Footage showed his killers ambushing him after they blocked his car They had ridden electric bikes into the road to stop Mr Martin's Renault Megane 'in a show of force', the court heard Kelci Thompson, Shaylon McCalla and Kayin Holmes were also found guilty of manslaughter. The attack on Mr Martin came after a history of 'animosity' between two rival groups in the Sinfin, Allerton and Osmaston areas and two 'tit for tat' confrontations earlier that weekend, the court heard.
framing: assertive · carried by 1 article(s) · first seen 2026-10-04
🔮 Jayden Mannion-Roberts was found guilty of murder and sentenced to life in prison with a minimum term of 27 years Ki Grant-Finlayson and Keenan Hamblett were arrested before boarding a flight to Tunisia days after the murder 'All those convicted in relation to this offence were happy to use really serious violence in a residential street, with no concern for the harm they would cause, or the worry they would generate in the community. '

Claims (23 extracted, 1 hedged)

A gang of masked killers who cornered a man before stabbing him to death have been jailed for a combined total of more than a century. asserted
who → mask → century
Dale Martin, 21, was dragged out of his car and murdered in Derby on June 15 last year after the gang - armed with knives and machetes riding a moped and electric bikes - blocked his vehicle. Jayden Mannion-Roberts, Keenan Hamblett, Ki Grant-Finlayson, Shaylon McCalla, Kelci Thompson and Kayin Holmes fled the scene after stabbing Mr Martin and shouting 'kill him'. asserted
Roberts → drag → him
Mr Martin staggered away from the scene of the attack before he collapsed and died. asserted
he → stagger → attack
Jayden Mannion-Roberts was found guilty of murder and jailed for life with a minimum term of 27 years. asserted
Roberts → find → years
Ki Grant-Finlayson and Keenan Hamblett were arrested before boarding a flight to Tunisia days after the murder. asserted
Finlayson → arrest → murder
Both were convicted of manslaughter. asserted
Both → convict → manslaughter
Grant-Finlayson was jailed for 18 years while Hamblett was sentenced to 17 years and six months in prison. asserted
Hamblett → jail → prison
Dale Martin, also known as DJ, was stabbed to death by a gang of masked attackers in June last year Footage showed his killers ambushing him after they blocked his car They had ridden electric bikes into the road to stop Mr Martin's Renault Megane 'in a show of force', the court heard Kelci Thompson, Shaylon McCalla and Kayin Holmes were also found guilty of manslaughter. The attack on Mr Martin came after a history of 'animosity' between two rival groups in the Sinfin, Allerton and Osmaston areas and two 'tit for tat' confrontations earlier that weekend, the court heard. asserted
court → know → tat
Mr Martin had gone to a gender-reveal party that evening before being attacked around 11.45pm. asserted
Martin → go → 11.45pm
His Renault Megane was stopped by the gang's electric bikes, which were in the road 'in a show of force'. asserted
which → stop → force
Adrian Langdale KC, prosecuting, said the gang had armed themselves with swords, machetes and 'Rambo knives'. asserted
gang → prosecute → swords
They chased Mr Martin after he escaped but tripped on a piece of wood, attacking him 'like a pack of animals' according to a witness. uncertain
he → chase → witness
Temporary Detective Inspector Chris Wright, of Derbyshire Constabulary, said: 'The killing of Dale Martin was a planned, sustained, and brutal attack. ' asserted
killing → say → Martin
The group had set out that night with the intention of causing Dale serious harm – and they carried out their wishes armed with knives and machetes. asserted
they → set → knives
'Dale was pulled from a car, chased and fatally stabbed multiple times. asserted
Dale → pull → car
Jayden Mannion-Roberts was found guilty of murder and sentenced to life in prison with a minimum term of 27 years Ki Grant-Finlayson and Keenan Hamblett were arrested before boarding a flight to Tunisia days after the murder 'All those convicted in relation to this offence were happy to use really serious violence in a residential street, with no concern for the harm they would cause, or the worry they would generate in the community. ' asserted
they → find → community
I would like to thank them for their support – their assistance was vital in gathering the evidence to bring those responsible to justice. asserted
assistance → like → justice
I also want to thank Dale's family for their support during what has been a long journey to get to court – and then an extended trial which has included distressing information that no family should have to hear. asserted
family → want → that
Finally, I would like to express my thanks to the investigation team and wider force. asserted
I → like → team
The response to this incident covered almost every area of the force – on both a direct and indirect level.' asserted
response → cover → level
DI Wright told the BBC Mr Martin's attackers had 'surrounded him' and 'behaved like a pack of animals'. asserted
attackers → tell → animals
'I was extremely horrified by it, it's nothing I've seen before in my career, the repeated slashing, stabbing, chopping motions. asserted
I → horrify → career
'It's thankfully something we don't see on the streets of Derby often, it's shocking.' asserted
it → see → Derby
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