5 arrested over alleged terrorism offenses near U.K. base used by U.S. Air Force

• The incident comes one day after President Trump said he'd rejected the latest Iranian proposal to end the war.

State of play: Police received a call around 12.45 a.m. Sunday local time relating to "three suspicious vehicles" that appeared to be traveling towards the air base used by the U.S. 501st Combat Support Wing and the 420th Air Base Squadron, per a Metropolitan Police statement.

• Armed officers responded in the area of Whelford, a village some 33 miles from the city of Oxford. There they arrested the men "on suspicion of committing offenses under the Explosives Act" and they were further arrested "on suspicion of preparation of a terrorist act, contrary to section 5 of the Terrorism Act," according to the statement.

Zoom in: U.K. counter-terrorism official Vicki Evans said officers established a 400-meter cordon (roughly a quarter-mile) around vehicles in the area while the British Army's Explosive Ordinance Disposal unit conducted examinations.

• "As a precaution, around 85 households have been evacuated whilst these examinations take place," she said in a statement.
• A nearby leisure centre was opened people evacuated from the area.

Context: RAF Fairford is the U.S. Air Force's preferred bomber forward operating location in Europe and supports a variety of missions and exercises throughout the year, according to the Air Force.

Editor's note: This is a breaking news story. Please check back for updates.