London probes suspected Iran-backed ambulance arson

Police are investigating whether an arson attack on Jewish community ambulances in London is linked to Iranian state activity, as security officials warn of a persistent threat from hostile plots directed at the United Kingdom.

Metropolitan Police Commissioner Mark Rowley said officers were pursuing “multiple lines of inquiry” following the incident, which targeted emergency vehicles used by a Jewish volunteer service. The attack has raised concerns among counter-terrorism units, with investigators assessing whether it forms part of a broader pattern of activity attributed to Tehran-linked networks.

The vehicles, parked in north-east London, were set alight overnight, causing significant damage but no reported injuries. The service, widely relied upon by members of the Jewish community for rapid medical assistance, described the incident as a deliberate and deeply alarming act. Police have not confirmed a motive, but the targeting of clearly marked ambulances has intensified scrutiny.

Speaking during a visit to the United States, Rowley said the UK faces a “long and sustained threat” from Iranian plots. His remarks align with warnings issued by MI5, which has tracked a growing number of hostile activities linked to Iran on British soil. Officials have previously cited assassination attempts, intimidation campaigns and surveillance operations targeting dissidents, journalists and Jewish interests.

Security analysts say the pattern reflects a shift towards more assertive tactics by Iran’s security apparatus, particularly its use of proxies and criminal intermediaries. While direct attribution remains complex, investigators often examine financial trails, communications data and known affiliations to determine whether attacks are state-directed or inspired.

The London fire comes at a time of heightened geopolitical tension involving Iran, including disputes over its nuclear programme and regional conflicts. British authorities have increased coordination with allies, including the United States, to monitor potential threats. Rowley’s meetings with the Federal Bureau of Investigation are expected to focus on intelligence-sharing and joint responses to transnational risks.

Community leaders have called for reassurance and stronger protection measures. Representatives of Jewish organisations said the attack had caused anxiety among residents, particularly given the symbolic nature of targeting medical services. “Ambulances are there to save lives, regardless of background,” one community figure said, describing the act as crossing a moral threshold.

Counter-terrorism officers are examining CCTV footage, forensic evidence and witness accounts. Early assessments suggest the fire was deliberately set, though authorities have not ruled out the involvement of individuals acting independently. Specialists in extremist threats are also considering whether online rhetoric or foreign influence may have played a role in motivating the attack.

Government officials have emphasised that the UK maintains a zero-tolerance approach to state-backed intimidation and violence. Sanctions and diplomatic measures have been used in the past against individuals linked to Iranian intelligence operations. The Foreign Office has repeatedly warned Tehran against actions that threaten security on British territory.

Experts note that incidents involving diaspora communities can carry broader implications, potentially inflaming tensions and prompting retaliatory fears. The targeting of Jewish institutions has been a particular concern across Europe, where security services have documented an increase in threats linked to both domestic extremism and foreign actors.

The investigation is likely to involve cooperation between local police, national security agencies and international partners. Authorities are also engaging with community groups to ensure accurate information is shared and to prevent the spread of misinformation, which officials say can complicate ongoing inquiries.

Rowley’s warning of a sustained threat underscores a wider reassessment of national security priorities. Intelligence agencies have indicated that alongside traditional counter-terrorism concerns, state-linked plots now represent a significant and evolving challenge. The use of deniable methods, including cyber operations and covert influence campaigns, has added complexity to prevention efforts.