Six men previously arrested in the investigation, including a 25-year-old British-Iranian dual national, were released on bail and remain under investigation. None has been charged. Police recovered petrol from three vehicles near the Gloucestershire base but found no improvised explosive devices.
The US withdrew all 12 B-1 bombers from Fairford on Sunday. US and European officials told the Wall Street Journal that urgent concerns about a possible drone attack ordered by Iran’s Islamic Revolutionary Guard Corps prompted the move. British officials cautioned that there was no evidence Iran could carry out such an elaborate operation. Iran denies involvement.