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Britain warns Iran it will not tolerate hostile activity on UK soil - Finance news and analysis from Global Banking & Finance Review
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Britain warns Iran it will not tolerate hostile activity on UK soil

Published by Global Banking & Finance Review

Posted on September 25, 2026

2 min read

· Last updated: September 25, 2026

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Britain Issues Warning to Iran Over Hostile Activities on UK Soil

UK-Iran Diplomatic Tensions and Security Concerns

High-Level Meeting at the UN General Assembly

Sept 24 (Reuters) - Britain's foreign minister met his Iranian counterpart on the sidelines of the UN General Assembly in New York and told him his country would "not tolerate intimidation, threats or hostile activity on UK soil" from groups linked to Iran.

Key Discussion Points Between Officials

Middle East Conflict and Strategic Waterways

British Foreign Secretary Ed Miliband and Iranian Foreign Minister Abbas Araqchi also discussed the war in the Middle East, the importance of reopening the Strait of Hormuz and Britain's "unwavering resolve to combat threats from Iranian-linked groups on UK soil," a Foreign Office statement said.

Security of the British Jewish Community

"The Foreign Secretary reiterated the UK's unwavering resolve to combat threats from Iranian-linked groups on UK soil, including attacks on the British Jewish community," it said.

UK Government Actions Against Iranian-Linked Groups

Legal Measures and Bans

In July, Britain banned support for Iran's Islamic Revolutionary Guard Corps and a linked group following a series of antisemitic attacks, using new legal powers designed to stop the use of state-sponsored proxies.

Iran's Response and Denials

Iran has previously denied using proxies. The British statement did not say how Araqchi responded to Miliband.

A statement on Araqchi’s Telegram account said he had used the meeting to call for a correction to "the destructive and irresponsible approaches of some European governments towards Iran and regional developments."

He also said an "insistence on interfering in countries’ internal affairs and the instrumental use of human rights concepts is in no way acceptable."

Cybersecurity Threats Linked to Iran

Recent Cyber Attacks and Government Response

Britain's National Cyber Security Centre said last week Iranian state-linked cyber actors had used a spyware family known as "CHOSEN BRICK" to steal emails, messages and other sensitive information through "spear-phishing" campaigns on messaging platforms including WhatsApp and Telegram.

"The Foreign Secretary made clear that Britain will not tolerate intimidation, threats or hostile activity on UK soil and set out the measures the Government has taken in response," the Foreign Office statement added.

Reporting Credits

(Reporting by Gnaneshwar Rajan in Bengaluru and William James in London; Editing by Stephen Coates and Philippa Fletcher)

Key Takeaways

  • British Foreign Secretary Ed Miliband issued a firm warning to Iran on September 24, 2026, stating the UK will not tolerate hostile activity linked to Iran on UK soil, including threats to its Jewish community (marketscreener.com)
  • The discussion took place on the sidelines of the UN General Assembly in New York, where Miliband also raised the Middle East war and the reopening of the Strait of Hormuz (marketscreener.com)
  • A joint cybersecurity advisory issued on September 15, 2026 revealed that Iranian state-linked actors deployed CHOSEN BRICK spyware via spear‑phishing on platforms like WhatsApp and Telegram to extract emails, messages and sensitive data from dissidents, activists and journalists in the UK (ncsc.gov.uk)

References

Frequently Asked Questions

What did Britain warn Iran about?
Britain warned Iran it would not tolerate intimidation, threats, or hostile activity on UK soil from groups linked to Iran.
Who met during the UN General Assembly in New York?
British Foreign Secretary Ed Miliband met with Iranian Foreign Minister Abbas Araqchi.
What recent measures did Britain take against Iranian-linked groups?
In July, Britain banned support for Iran's Islamic Revolutionary Guard Corps and a linked group after a series of antisemitic attacks.
What did Iran's foreign minister say during the meeting?
Iran's foreign minister called for corrections to European governments’ approaches and objected to interference in countries’ internal affairs.
What cyber threat did Britain's National Cyber Security Centre report?
They reported Iranian state-linked actors used the 'CHOSEN BRICK' spyware to steal sensitive information via spear-phishing campaigns.

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