The Crown Prosecution Service announced it will prosecute Palestine Action activists under Britain’s Terrorism Act 2000, following a campaign in which activists sprayed red paint on military facilities and equipment. Palestine Action is a British direct action group that targets facilities with connections to arms manufacturing for Israel. The specific conduct: spraying red paint on military equipment and facilities. The specific charge: terrorism offenses under the Terrorism Act 2000.

THE LEGAL FRAMEWORK  

The Terrorism Act 2000 defines terrorism as the use or threat of action where the action involves serious violence against a person, serious damage to property, endangers a person’s life, creates a serious risk to the health or safety of the public, or is designed to seriously interfere with or seriously disrupt an electronic system — AND the use or threat is designed to influence a government or international governmental organisation or to intimidate the public or a section of the public — AND the use or threat is made for the purpose of advancing a political, religious, racial or ideological cause.

The specific legal question in the Palestine Action prosecution: whether spraying red paint on military equipment constitutes ‘serious damage to property’ done ‘for the purpose of advancing a political or ideological cause’ intended to ‘influence a government.’ Paint spraying on military equipment is property damage. It is politically motivated. It is intended to influence government policy. Whether those facts together satisfy the terrorism definition is the specific legal question the prosecution will test.

WHY THE CHARGE MATTERS  

Charging protest activity as terrorism has specific legal consequences that distinguish it from ordinary criminal charges:

▸  Sentencing: terrorism convictions carry significantly longer maximum sentences than equivalent property damage charges

▸  Designation: a terrorism conviction produces a specific designation on the defendant’s legal record that affects employment, travel, and future legal proceedings

▸  Chilling effect: the threat of terrorism prosecution for protest activity produces a specific deterrent effect on all protest activity, not only the specific conduct charged

▸  Legal precedent: a successful terrorism prosecution of paint-spraying activists establishes precedent for what constitutes terrorism in British law

THE CIVIL LIBERTIES TENSION  

The specific civil liberties tension the Palestine Action prosecution creates:

▸  Free expression: the activists are expressing a political position through disruptive but non-violent means

▸  Property rights: military equipment belongs to the state; its damage has a public cost

▸  Proportionality: whether terrorism charges are proportionate to paint-spraying on military equipment is the specific question civil liberties advocates are raising

▸  Chilling effect: the specific category of conduct being charged — protest activity aimed at influencing government policy — is the category that civil liberties frameworks specifically protect

THE US PARALLEL  

ONYX covered the Prairieland Nine prosecution on September 5: the Trump administration using national security statutes against activists who targeted Palestinian solidarity organizations. The US parallel: both the UK Palestine Action prosecution and the US Prairieland Nine prosecution involve using laws designed for national security threats against political protest activity. The specific commonality: anti-terrorism and national security statutes are being applied to conduct that would previously have been prosecuted as vandalism or trespass.

Red paint on military equipment. Terrorism charges. The Terrorism Act was written for bombs and killings. The CPS is applying it to paint. The legal question is whether paint-spraying with political intent is terrorism under British law. The civil liberties question is whether it should be.

WHAT HAPPENS NEXT  

▸  Criminal proceedings — the specific charges and the defendants’ legal response

▸  Civil liberties challenge — whether the prosecution is challenged on human rights grounds

▸  Parliamentary response — whether any MPs formally challenge the CPS’s charging decision

▸  Chilling effect monitoring — whether the prosecution affects Palestine Action’s activity or similar groups

CONFIDENCE: HIGH

CPS prosecuting Palestine Action activists under Terrorism Act 2000, red paint military equipment, from confirmed reporting.

⚖️  BIAS CHECK — WHO IS SAYING WHAT
CPS	Applying terrorism law to politically motivated property damage; their legal case rests on the Terrorism Act definition fitting the specific conduct
Palestine Action	Characterizing the prosecution as political suppression of legitimate protest; their position is that paint-spraying is not terrorism under any proportionate reading of the law
Civil liberties advocates	Warning about chilling effects and proportionality; their concern is the precedent, not just the specific defendants
ONYX	Covering the prosecution and its legal framework at their confirmed level; naming the US parallel because it is relevant and documented; not taking a position on whether the charges are correct

SOURCES

▸  Confirmed reporting — Palestine Action CPS terrorism prosecution September 14 2026

Q: What does the Terrorism Act 2000 actually require for a terrorism charge?

A: The Terrorism Act 2000 has two components that must both be satisfied: (1) the action component — the conduct must involve serious violence against persons, serious damage to property, endangering life, or seriously disrupting electronic systems; and (2) the purpose component — the conduct must be designed to influence a government or intimidate the public, for the purpose of advancing a political, religious, racial, or ideological cause. For Palestine Action, the CPS’s theory is that paint-spraying constitutes “serious damage to property” (component 1) and is done to influence government arms export policy for an ideological cause (component 2). Whether paint damage is “serious” and whether influencing policy through protest constitutes the type of “influencing a government” the statute targets are the specific legal questions the proceedings will address.

Q: What penalties does a terrorism conviction carry compared to vandalism?

A: Vandalism or criminal damage to property in England and Wales can carry sentences ranging from a fine to up to ten years imprisonment for damage over a certain value. Terrorism offenses under the Terrorism Act 2000 carry substantially higher maximum sentences: section 15-18 offenses (financing terrorism) carry up to 14 years; section 56 (directing terrorism) carries life imprisonment; other terrorism offenses carry varying maximum sentences. The specific terrorism charges under which Palestine Action is being prosecuted will determine the applicable sentence range, which will in any case be significantly higher than a standard criminal damage charge for the same physical conduct.

Q: Has anti-terrorism law been used against protest activity before in the UK?

A: Prior to the Palestine Action prosecution, the Terrorism Act 2000 has been used to stop and search protesters near military facilities under Section 44 (a provision that was subsequently ruled disproportionate by the European Court of Human Rights and amended). XR activists and other protest groups have been investigated under anti-terrorism frameworks in various cases. The Palestine Action prosecution is the most prominent current case of the CPS proceeding with terrorism charges specifically for physical protest activity at military facilities. It will establish whether the full Terrorism Act definition applies to this category of conduct.