UK Counterterror Police Investigate Arson Attacks on Jewish and Iranian Sites in London

British counterterrorism police are investigating a series of separate arson attacks in London targeting Jewish community sites and a Persian-language media organization. While detectives are not currently treating the incidents as terrorist attacks, Counter Terrorism Policing London is leading the probe due to strong similarities between the cases. No injuries have been reported in any of the attacks.

The Details

The investigation spans several incidents, beginning on March 23, 2026, when four ambulances belonging to the Jewish volunteer emergency service Hatzola were torched in a synagogue parking lot in northwest London's Golders Green area. Four individuals have been charged in connection with that attack, and two additional 18-year-olds were recently arrested in east London. Detective Chief Superintendent Luke Williams described the event as a 'devastating incident' and an antisemitic hate crime.

On April 16, an attempted arson attack targeted the Finchley Reform Synagogue in northwest London. A 46-year-old man and a 47-year-old woman remain in custody. That same evening, an 'ignited container' was thrown at the car park of Iran International in Wembley, a Persian-language news channel that opposes the Tehran regime. The fire was extinguished immediately, leading to the arrest of a 16-year-old boy and two men, aged 19 and 21, on suspicion of arson endangering life.

Most recently, on the night of April 18, a man was spotted leaving a bag containing three bottles of fluid outside a building previously used by the Jewish community in Hendon. The man attempted to ignite the fluids, but they failed to catch fire before he fled the scene. No arrests have been made in this latest incident.

Deputy Commissioner Matt Jukes of the Metropolitan Police warned that those attempting to make 'quick and easy money by committing crimes for others' would face consequences. He drew a parallel to the case of Dylan Earl, who received 17 years in prison for organizing a Russian-ordered arson attack in London.

Context

A primary line of inquiry for investigators is whether the attacks are linked to Iran. The UK government has previously accused Tehran of utilizing criminal proxies to target opposition media outlets and Jewish communities on European soil. This concern is mirrored by MI5, which reported disrupting more than 20 'potentially lethal' Iran-backed plots in the year ending October.

Adding to the complexity, the militant group Harakat Ashab al-Yamin al-Islamiyya has claimed responsibility for the Hatzola ambulance attack and suggested involvement in the synagogue arson, as well as similar attacks in Belgium and the Netherlands. Deputy Assistant Commissioner Vicki Evans confirmed that the group is one of several lines of inquiry.

These events occur amid a broader trend of hostile state activity, which now accounts for approximately one-fifth of the workload for counter-terrorism policing. The editorial board of Iran International noted a sharp rise in harassment toward journalists' relatives inside Iran following recent military operations, describing these attacks as part of a wider effort to restrict independent news.

What's Next

Police continue to pursue multiple lines of inquiry, including the potential use of foreign proxies and the claims made by Harakat Ashab al-Yamin al-Islamiyya. Further arrests are expected as detectives analyze evidence from the Hendon and Golders Green sites.

Security officials are expected to maintain a high state of alert for Jewish and Iranian-affiliated institutions across the capital. The outcome of the current custodial hearings for the Finchley and Wembley suspects may provide further insight into whether the attackers acted independently or as part of a coordinated state-sponsored effort.