MI5 chief warns Iran and Russia escalate hybrid threats to UK

AI-generated briefing · First published 2026-10-13 13:25:39 UTC

MI5 chief Ken McCallum says Tehran and Moscow are targeting UK military sites and Jewish communities in hybrid campaigns.

MI5 chief Ken McCallum warned that Iran and Russia are escalating hybrid warfare against the UK, with state threats quadrupling in a decade, and accused Tehran of directing attacks on Jewish communities. [1] [2]

Britain blames Iran for a suspected plot near RAF Fairford airbase on 27 September, sanctions two Iranian nationals and designates the IRGC a terrorist group; Tehran calls the claims a false-flag operation. [3]

Sources

1. Iran has made ‘major shift’ to target UK military sites, says MI5 chief

   Financial Times · 2026-10-13 12:00:39 UTC · Summary only

2. MI5 Chief Warns of Growing Iranian and Russian Threats to U.K.

   NY Times · 2026-10-13 12:02:17 UTC · Summary only

3. Iran sees ‘false flag’ operations after UK blames IRGC for airbase incident

   Al Jazeera · 2026-10-13 13:03:56 UTC · Excerpt

Link to this briefing · Back to AI News