Overview
- Counterterrorism officers arrested four men aged 22 to 55 on March 6 on suspicion of assisting a foreign intelligence service, with police confirming the case relates to Iran.
- The suspects—one Iranian national and three dual British–Iranian nationals—were detained in pre-planned raids at addresses in Barnet, Watford and Harrow.
- Police have secured warrants to hold all four in custody until March 13, while six men arrested in Harrow on suspicion of assisting an offender have been released on bail pending further inquiries.
- Searches are continuing at the arrest locations and linked properties in Wembley and Barnet, and authorities have not disclosed specific sites surveilled or any imminent attack plans.
- Commander Helen Flanagan urged vigilance, as community groups thanked investigators and officials highlighted ongoing concerns about Iran-linked threats in the UK.