On 22 September 2026, far-right activist Daniel Thomas — better known online as Danny Tommo — was filmed leaning from a speedboat in the English Channel and repeatedly stabbing an inflatable rescue dinghy with a knife. The footage, livestreamed by Tommo himself, showed a French coastguard rescue worker still on board the dinghy as the blade punctured its hull. By the time Tommo returned to Gosport, Hampshire, police were waiting.
What the Video Shows
The incident unfolded at the end of a 33-hour crossing attempt by approximately 60 migrants who had set out from near Vierville-sur-Mer, Normandy. The RNLI and French coastguard had already transferred the migrants to safety when Tommo's speedboat pulled alongside the near-empty inflatable. A member of the French rescue team remained on the vessel completing post-rescue safety checks when Tommo began attacking its hull with a knife.
Hampshire Constabulary confirmed he was arrested on suspicion of criminal damage and incitement to endanger life. The footage spread widely across social media within hours, prompting urgent calls from maritime safety charities and legal commentators for swift prosecution. Tommo, founder of the anti-migration group Patriot Platform and a known associate of Tommy Robinson, already carries a previous conviction for knife crime — a factor that is likely to carry weight in any eventual sentencing hearing.
This is not, in legal terms, a complicated case. The evidence is the livestream itself.
Why "Endangering Life" Changes the Legal Picture Entirely
Under the Criminal Damage Act 1971, there are effectively two separate offences, separated by a single legal question: was a human life endangered?
Section 1(1) covers straightforward criminal damage — destroying or damaging property belonging to another. For damage valued at less than £5,000, this is a summary offence tried in a magistrates' court, carrying a maximum of three months' imprisonment and an unlimited fine. For damage exceeding £5,000, the case goes to the Crown Court, where the maximum sentence rises to ten years.
Section 1(2) is a fundamentally different matter. It applies when a person destroys or damages property intending to endanger the life of another, or being reckless as to whether the life of another would thereby be endangered. The maximum sentence under Section 1(2) is life imprisonment.
That is the charge that transforms the Danny Tommo incident from an act of property damage into one of the most serious offences on the English statute book. The rescue worker on board the dinghy throughout the attack is not a peripheral detail — they are the legal mechanism that opens the life-sentence threshold. Prosecuting recklessness here requires only that the Crown shows Tommo either knew someone was on board, or should have seen the obvious risk that they were. The livestream footage establishes both.
A previous knife conviction compounds the picture. Under the Criminal Justice Act 2003, courts assessing a second serious knife offence must consider whether the defendant presents a significant risk of serious harm — a formal dangerousness assessment that can result in an extended sentence beyond the usual maximum term.
The Concrete Case: When Property Damage Becomes a Life-Sentence Offence
The Danny Tommo incident illustrates a legal principle that applies far beyond Channel protests — and one that catches many people off guard.
Picture a marina dispute that turns physical. Two boat owners argue over mooring rights at a Hampshire marina. One, in a moment of rage, takes a knife to the rubber fenders and inflatable tender of the other's vessel. The damage amounts to approximately £600. No one appears to be on board. Under Section 1(1), this is a summary criminal damage charge at the magistrates' court — likely resulting in a community order or a short custodial sentence.
Now change a single fact: a deckhand is asleep below in the cabin. The attacker did not see them. The court's question is not whether the attacker knew the deckhand was there, but whether they were reckless — meaning, would a reasonable person have checked before attacking a moored, inhabited vessel?
If yes, the Section 1(2) threshold is met. The £600 damage becomes irrelevant. The financial value of the property destroyed has no bearing whatsoever on the severity of the charge once life endangerment is established. A dinghy worth £800 can ground a life-sentence prosecution if a human being was at risk on board. The difference between a fine and a life tariff turns entirely on one question: could a reasonable person have foreseen that someone was present?
In Tommo's case, the rescue worker was not only present but was visibly on the dinghy throughout the entire footage — removing any conceivable defence of ignorance. The same analytical framework applies to vehicle damage in car parks, scaffolding interference at building sites, and deliberate property damage in any setting where people are known to spend time. Understanding where Section 1(2) kicks in is precisely the kind of legal question that benefits from qualified advice before a situation escalates.
French Jurisdiction: A Second Legal Exposure
The Channel adds a further layer that English courts cannot resolve on their own. The incident occurred in international or Franco-British boundary waters, raising the question of whether French authorities can and will pursue separate proceedings.
Under the French Penal Code, article 223-1 criminalises directly and deliberately exposing another person to an immediate risk of death or serious injury. This offence — mise en danger délibérée d'autrui — carries a penalty of up to five years' imprisonment and a €75,000 fine. Crucially, French proceedings would be an entirely separate matter to any UK prosecution: a conviction in one jurisdiction does not prevent charges being brought in the other.
International maritime incidents involving UK nationals operating in French waters have precedent for dual proceedings, particularly where a French national was endangered. The French rescue worker's presence on the dinghy establishes exactly that nexus.
What This Means If You Are Accused of Property Damage — or Are a Victim
The Danny Tommo case, in all its visibility, has provided a live illustration of how rapidly a property damage allegation escalates the moment another person is in the vicinity.
If you are ever accused of criminal damage in circumstances where someone was present — whether the damage was deliberate or the result of a momentary loss of control — the Section 1(1)/Section 1(2) distinction is not procedural detail. It is the difference between a few months in a magistrates' court and a trial with a life-sentence ceiling. Whether you knew or were reckless about another person's presence is a factual question that turns on the specific circumstances: time of day, visibility, prior knowledge of the property's use, and whether you took any steps to check.
If you are a victim of deliberate property damage — to a vehicle, a vessel, a workshop, or any property where people regularly spend time — and the damage was carried out in conditions where your presence was foreseeable, you may have grounds to push for the more serious charge rather than accepting a summary prosecution that understates the genuine risk you faced.
Maritime law adds a further dimension, particularly for anyone whose boat, tender, or commercial vessel has been deliberately damaged: questions of salvage rights, insurance liability, and jurisdictional overlap between English and admiralty law often require specialist legal input. For background on how maritime law and criminal liability have intersected in recent high-profile UK cases, see our analysis of the Mike Lynch Bayesian superyacht sinking.
As the Tommo case moves through the courts — and possibly through French legal proceedings simultaneously — it will serve as a reference point for any future case involving property damage and the endangerment of life. The lesson for anyone on either side of such a dispute is the same: the presence of a human being on or near damaged property is the single most consequential fact in determining what charge you face.
This article provides general legal information for educational purposes. It does not constitute legal advice. If you are involved in a criminal matter or property damage dispute, consult a qualified solicitor.

Eleanor Vaughan