LONDON (AP) — Counterterror police were investigating an arson attack at a former London synagogue on Tuesday as Prime Minister Keir Starmer hosted a meeting to respond to a recent wave of antisemitic attacks that have caused outrage and fear in the Jewish community.
Gates and a lock on the front of the former temple in the Whitechapel area of east London had minor damage, but no one was injured, Metropolitan Police said.
The incident is the latest attack since four ambulances owned by a Jewish charity were torched in March.
Since then, a synagogue was firebombed and other Jewish sites have been targeted in attempted arsons.
Last week, two Jewish men were stabbed in what police have called an act of terror.
“It is part of a pattern of rising antisemitism that has left our Jewish communities feeling frightened, angry, and asking whether this country, their home, is safe for them,” Starmer told community leaders.
“These disgusting attacks are being made against British Jews. But, make no mistake, this crisis — it is a crisis for all of us.”
The number of antisemitic incidents reported across the UK has soared since the attack by Hamas-led militants on southern Israel on Oct. 7, 2023, and the subsequent war in Gaza, according to the Community Security Trust charity.
The group recorded 3,700 incidents in 2025, up from 1,662 in 2022.
The wave of recent attacks have come since the Feb. 28 start of the Iran war, and police are looking into whether they are the work of Iranian proxies.
A pro-Iran group calling itself Harakat Ashab al-Yamin al-Islamia — or Islamic Movement of the Companions of the Right — has claimed responsibility for several of the attacks.
It has also admitted being behind incidents in recent months at places of worship, business and financial institutions across Europe, all of which appear to be linked to Jewish or Israeli interests.
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“One of the lines of inquiry is whether a foreign state has been behind some of these incidents,” Starmer said.
“Our message to Iran, or to any other country that might seek to foment violence, hatred or division in society, is that it will not be tolerated.”
Starmer promised to take action to tackle antisemitism, including requiring universities to publish the scale of the problem and take steps to stop it.
Arts funding will be withdrawn from anyone promoting antisemitism.
Britain raised its terror threat level from substantial to severe — the second-highest on a five-point scale — after the stabbings.
The rating means intelligence agencies consider an attack highly likely in the next six months.
The change was not solely due to the knifings but also “from Islamist and extreme right-wing terrorist threat from individuals and small groups based in the UK,” the government said.
