A dozen B-1 bombers used in US strikes on Iran were stationed at RAF Fairford, located northwest of London. (EPA Images pic)

NEW YORK: The United States removed its B-1 bombers from a UK air base one week after several men were arrested there on suspicion of preparing terrorist acts, a Pentagon official said on Sunday.

A dozen B-1 bombers were stationed at RAF Fairford air base, located northwest of London. The planes had been used for US strikes on Iran.

"While operational security precluded us from confirming the movement of our assets and forces in real-time, we can acknowledge now that all US bombers that were deployed to RAF Fairford have re-deployed to their home stations in the United States," a Pentagon spokesman wrote in an email.