British counterterror police are investigating whether suspected Iranian proxies are behind a wave of arson attacks targeting Jewish sites in London, as a chief rabbi warned that such attacks are escalating.
The Metropolitan Police said specialized counterterror officers are probing fires at synagogues, Jewish-linked facilities and a Persian-language media company critical of Iran's regime.
The latest incident caused minor damage to a north London synagogue Saturday night. No injuries have been reported in any of the blazes, which all happened within a few miles of each other.
Deputy Assistant Commissioner Vicki Evans said investigators are examining claims by a group calling itself Harakat Ashab al-Yamin al-Islamia, which has taken responsibility for several attacks. The group's name means Islamic Movement of the Companions of the Right.
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"We are aware of public reporting that suggests this group may have links to Iran. As you would expect, we will continue to explore that question as our investigation evolves," she said.
"I've spoken previously about the Iranian regime's use of criminal proxies, and we're considering whether this tactic is being used here in London," Evans added.
Authorities say the group - which Israel has described as a possible Iranian proxy - has also claimed synagogue attacks in Belgium and the Netherlands.
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Police have flooded northwest London with additional officers after a series of incidents in recent weeks, including the torching of four Jewish charity ambulances in the Golders Green neighborhood on March 23.
Several suspects, ranging from teenagers to people in their 40s, have already been arrested and charged.
Chief Rabbi Ephraim Mirvis warned on X that "a sustained campaign of violence and intimidation against the Jewish community of the UK is gathering momentum."
"Thank God, no lives have been lost, but we cannot, and must not, wait for that to change before we understand just how dangerous this moment is for all of our society," he added.
Prime Minister Keir Starmer condemned the violence, calling the attacks "abhorrent" and vowing those responsible "will be found and brought to justice."
The threat level rose further after the group released a video claiming it would target Israel's embassy in London with drones carrying hazardous substances. Police shut down nearby Kensington Gardens while investigating suspicious items but said no dangerous materials were found.
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British officials have long warned that Iran uses criminal networks to carry out attacks in Europe. MI5 says it disrupted more than 20 potentially lethal Iran-linked plots in the past year.
Police issued a blunt warning to any "thugs for hire" involved in such attacks.
"Let's be really clear - it's a mug's game," said Deputy Commissioner Matt Jukes. "That's what people who are now serving long prison sentences have found out, and the same fate awaits those responsible for these recent crimes."
Investigators say the probe remains ongoing as authorities work to determine whether the attacks are part of a coordinated foreign-backed campaign.
The Associated Press contributed to this report.
