Temporary Provisions

The offence, in almost every case, was holding a piece of cardboard.

The cardboard said: I oppose genocide. I support Palestine Action. The people holding it sat down in Parliament Square, under the statues of Gandhi and Mandela and Millicent Fawcett, and waited to be carried away. The sit-in was organised by Defend Our Juries and announced in advance. Everybody involved — protesters, police, the Home Office, the press pool — knew exactly what would happen. That is the tell. This was not a confrontation. It was a compliance test administered simultaneously by both sides, and both sides passed.

The Met observed that it was the largest set of arrests it had made at a single event in over a decade. True, and the least interesting fact available.

Here is the interesting one. The statute they used was passed in 2000, and when it was passed, Parliament was assured this would never happen.

i · the clause nobody was worried about

Section 1 of the Terrorism Act 2000 defines terrorism as action designed to influence the government or intimidate the public, undertaken to advance a political, religious, racial or ideological cause, where that action involves — among other things — serious damage to property.

Read it slowly. Nobody has to be hurt. Property will do, provided the motive is political.

This was noticed at the time. Civil liberties groups pointed out that the property clause swept in essentially every direct-action tradition in British public life: hunt saboteurs, anti-roads protesters, Greenpeace, the women at Greenham Common, anyone who has ever cut a fence. Ministers gave the standard reassurance — that the definition was broad because terrorism is various, that prosecutorial discretion and the Attorney General's consent would keep it pointed at bombers, that no sensible government would use a terrorism statute against protesters.

That assurance held for twenty-five years. It is worth being precise about what "held" means here: the law did not change. Not one word of Section 1 was amended. What changed was the threshold at which a Home Secretary was willing to reach for it.

On 20 June 2025, members of Palestine Action entered RAF Brize Norton and sprayed red paint into the engines of two Voyager aircraft. Fifteen days later the group was proscribed under Schedule 2 — the same schedule that carries al-Qaeda, Islamic State, the Real IRA and National Action. It was the first time a direct-action protest group had been placed on that list. Nobody had to write a new law. The old one already reached that far; it had simply been left, by convention, unextended.

But breadth alone does not get you from a clause to a square full of pensioners. Somebody still has to sign the order, and Parliament still has to ratify it, and it is worth asking what made ratification cheap.

The answer is in the paperwork. The Terrorism Act 2000 (Proscribed Organisations) (Amendment) Order 2025 was laid before Parliament on 30 June. It named three organisations: Palestine Action, the Maniacs Murder Cult, and the Russian Imperial Movement — the latter two neo-Nazi outfits, one of them a group that runs livestreamed murders. A statutory instrument cannot be amended. It is approved or rejected whole. An MP who believed that banning a protest group under terrorism law was a category error had exactly one way to say so: by voting to leave a murder cult unproscribed, on the record, in an election cycle.

The Commons approved it on 2 July by 385 votes to 26. The Lords followed on 3 July. It was in force on the 5th.

That is the mechanism, and it has two halves that get confused with each other. Section 1's breadth is the ammunition — it determines what is possible. The unamendable instrument is the trigger — it determines what is cheap. Neither alone produces 474 arrests. Together they produce them in five days, and the general rule falls out: you never have to pass a repressive statute if you have already passed a sufficiently broad one, and you never have to win the argument if you can attach it to one nobody will have. The repression arrives later, as an administrative decision, in a statutory instrument nobody reads, ratified by a parliamentary vote that takes ninety minutes.

The government's case here is stronger than its critics allow, and it is worth putting at full strength rather than caricature. Palestine Action did not merely protest. Its members entered an active military airbase and damaged two aircraft of the RAF's strategic tanker fleet, for an avowedly political purpose, in order to change government policy. Now read Section 1 again: serious damage to property, political motive, designed to influence the government.

That is not a stretch. That is the definition applied correctly.

Which is the whole indictment. The complaint is not that ministers misread the statute. It is that they read it exactly as written — and what it says, read exactly as written, is that a can of spray paint and a political opinion are sufficient. The law is not being abused. It is working.

ii · temporary provisions

The Prevention of Terrorism Act 1974 went through every Commons stage in roughly seventeen hours. The Birmingham pub bombings had killed twenty-one people the week before. Roy Jenkins, the Home Secretary introducing it, described the powers as draconian and unprecedented in peacetime, and said so approvingly, on the grounds that they were temporary. The Act's full title was the Prevention of Terrorism (Temporary Provisions) Act. It proscribed the IRA in Great Britain and criminalised displaying support for a proscribed organisation.

It was renewed annually for twenty-five years and then made permanent, with a wider definition, as the Terrorism Act 2000.

This is not a novel British pattern. It is close to the only British pattern. The Riot Act of 1715 made it a capital offence to remain assembled an hour after a magistrate read a proclamation, and stayed on the books until 1967. Pitt's Seditious Meetings Act of 1795 required magistrate notice for gatherings above fifty people. After Peterloo, the Six Acts of 1819 restricted meetings again. The Defence of the Realm Act of 1914 was an emergency measure whose regulations metastasised for four years. The Public Order Act 1936 followed Cable Street. Each was introduced against a genuine disorder, each was framed as narrow and provisional, and each was still available long after the disorder that justified it had been forgotten.

Emergency, statute, assurance, dormancy, reuse. The layers are so regular you could date a British decade by which clause is being stretched.

But a resemblance is not an argument, and a list is not a mechanism — which is a thing this piece is about to accuse the state of forgetting, so it had better not do it itself. So: what did those statutes actually criminalise, as opposed to what do they remind us of?

The Riot Act criminalised remaining. A magistrate read the proclamation; an hour later, anyone still assembled had committed the offence. Capital, and brutal, but note the shape — the crime was constituted by something the defendant did after being told, and it could be avoided by walking away. The Seditious Meetings Act criminalised convening without notice. The Six Acts criminalised attending a meeting outside your own parish. The Public Order Act 1936 criminalised wearing a political uniform in public. Every one of them puts an act at the centre, and every one of them leaves the accused something to contest: I was not there, I gave notice, I dispersed, I wore nothing.

Section 13 does not work that way, and that is where the pattern stops repeating and starts doing something else.

iii · conduct, and then category

Every statute in the stratigraphy asks what you did. Proscription asks what you are affiliated with, and Section 13 asks what you displayed.

The Home Secretary makes one finding — this organisation is concerned in terrorism — and thereafter that finding does the work in every individual case, forever, without being re-argued. Nobody in Parliament Square had to be shown to have done anything. The list had already decided. All that remained on the day was matching.

That is what makes it cheap, and cheapness is the whole story. Adjudicating contested conduct is expensive: it requires evidence about a particular person on a particular afternoon, it requires someone to be persuaded, and it can be lost. Classification is expensive exactly once, at the top, in a ninety-minute debate on an unamendable order — and free forever afterwards, applied by a constable who needs only to read a placard. A state that has to argue about what someone did can be answered. A state that has already established what someone is has moved the argument into a room the defendant cannot enter.

This is also why the paint and the cardboard end up under the same heading with nothing in between. Entering an airbase and spraying an engine is an act. Sitting under a statue holding a rectangle of cardboard is a category signal. The law recognises no intermediate step, because once the category exists, acts stop being the unit of measurement.

The vocabulary has changed less than it looks. In 1819 the government was managing sedition. In 1974 it was managing terrorism in the sense the word had then — semtex, warnings phoned in, bodies. In 2025 it is managing terrorism in the sense the word has now, which is broad enough that a retired schoolteacher with a marker pen falls inside it. The word did not stretch to accommodate her. She was always inside it. Nobody had bothered to point that out.

What has genuinely changed is the reach. An 1819 magistrate could disperse you. He could not propagate you.

iv · what four hundred and seventy-four arrests are for

The charge available against a person holding that placard is Section 13: displaying an article in circumstances arousing reasonable suspicion of support for a proscribed organisation. It is a summary offence. Maximum six months. For most of the people sitting in Parliament Square, the realistic outcome was several hours in a cell, a set of fingerprints, a DNA sample, and a caution or a charge that may or may not survive contact with a court.

Which sounds mild, and is exactly the point.

The arrest is not the mechanism. The arrest is the delivery system. What is actually being distributed is cost — hours, legal fees, a terrorism-related arrest on record, and then everything that record enters on its own: enhanced disclosure for anyone who works with children or vulnerable adults, professional licensing review, the terrorist-financing obligations that attach to any bank handling money touched by proscription, visa and travel screening at borders that share watchlists automatically. This is the propagation an 1819 magistrate had no access to. He could clear a field. He could not enter you into eleven systems that consult each other overnight and require no further human decision to keep consulting each other for thirty years.

Four hundred and seventy-four people absorbed that cost in one afternoon. Several thousand more, watching, did the arithmetic without leaving home.

There is a second output, less discussed. Every one of those arrests is now a terrorism arrest in the Home Office's quarterly statistics. The counter-terrorism apparatus, having been pointed at a square full of pensioners, will next year be able to demonstrate an unprecedented volume of terrorism-related arrests. Budgets follow volume. The system is not broken; it is metabolising its new food supply exactly as designed, and it will develop an appetite.

And a third, which is why mass arrest is a poor tool for a state and a good one for a movement. Palestine Action's argument before 5 July was about Israel and about British arms exports — contested terrain, unfavourable ground, a fight over facts most people have no way to adjudicate. Its argument after 5 July is about whether holding a sign should be a terrorism offence in Britain. That is not contested terrain. It is the easiest argument a protest movement has been handed in years. Proscription took a group with a few hundred committed participants and gave it a question that several million people already have an opinion about.

v · the prediction

There will be litigation. The proscription will be challenged on the grounds that banning an organisation whose primary activity is protest is a disproportionate interference with expression and assembly. It will be argued in a divisional court, it will take the better part of a year, it will be reported as a landmark whichever way it lands, and it will be appealed.

That is not a prediction about the outcome. It is a prediction about the timing, and the timing is the point. Whatever a court eventually decides about 5 July 2025, it will decide it long after 9 August 2025 has finished doing its work. The fingerprints are taken. The records exist. The systems have consulted each other. The people who decided not to come are already not coming. A ruling that the ban was unlawful would not un-arrest anyone; it would simply establish, at leisure, that the cost was imposed without authority — which is the historically standard ending, and the reason the pattern is worth running again.

Meanwhile the clause sits where it has sat since 2000. Serious damage to property, political motive. Unamended, unrepealed, and now demonstrated in the field — along with the procedure that fires it, which is the part that was actually novel and the part nobody wrote down.

The next Home Secretary who needs it will not have to ask twice. She will not have to ask at all. She will only have to decide which three names go on the same page.