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Urgent warning issued to Americans in UK over RAF Fairford ‘bomb plot’

Five people have been arrested after what is thought to be a terror plot linked to Iran was foiled at RAF Fairford in Gloucestershire on Sunday morning, used by the US Air Force

Americans living in the UK have been given an urgent warning

Americans living in the UK have been given an urgent warning (Image: PA)

Americans living in the UK have been given an urgent warning by the US government after cops foiled a suspected terror plot outside an RAF base.

Gloucestershire police have arrested five men near the RAF Fairford, used by the US Air Force for combat operations in Iran, early on Sunday morning, September 27. It’s thought the men are linked to Iran, as RAF Fairford has been used by US bombers to attack the country.

Scores of people have been evacuated overnight from the area, as a 400-metre cordon was put in place around the site. It was still in place last night as three vans were examined by ordnance specialists. Now, the US embassy for the UK has issued new safety advice for Americans in Britain, reports the Daily Mail .

U.S. President Donald Trump speaks to reporters after stepping off Air Force One on September 27, 2026

U.S. President Donald Trump speaks to reporters after stepping off Air Force One on September 27, 2026(Image: Getty Images)

The embassy said in a statement: “The US Embassy is aware of arrests on suspicion of preparing a terrorist act near the Royal Air Force base in Fairford, UK.

“US citizens are encouraged to exercise caution and be mindful of personal security. US citizens are advised to follow instructions of local authorities for their personal safety and security.”

The warning comes hours after Donald Trump praised the work of British police officers to foil the plot. The President said those involved wanted to do ‘big damage’.

'The US Embassy is aware of arrests on suspicion of preparing a terrorist act'

‘The US Embassy is aware of arrests on suspicion of preparing a terrorist act’(Image: Ben Birchall/PA Wire)

He told reporters in Washington DC: “It was fantastic. Working with Britain, it was an amazing job. We had them under investigation. They were looking to do big damage to our fort, and working with the British worked out great.

“It may have been Scotland Yard, I don’t know. We worked with a lot of them. We had them under view for a long time, and we got them.”

Gloucestershire Police temporary Chief Constable Maggie Blyth confirmed the incident is thought to be “contained”, with agencies collaborating and responding to local intelligence.

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She said in a Sunday evening press conference: “Again, I can’t go into details, but I can give reassurance that we believe the matter to be contained and as a set of agencies working together across Gloucestershire, we are gathering and responding to local intelligence all the time.”

Other US Air Force bases in Britain have been placed on high alert. RAF Lakenheath in Suffolk confirmed it was on Charlie alert, which is the second-highest threat level that can be issued by the US Department of Defence. The confirmation to PA came amid reports that RAF Fairford has been raised to the highest threat level, Delta.