The Iranian bomb plot on UK soil that never was

If there was no explosive material found in the suspicious vans, can we still call it a “suspected bomb plot” against an important airbase in Gloucestershire, England? Now that the five suspects who drove three vans in the dead of night and congregated in a village close to the airbase have been released on bail, surely the counterterrorism police must be confident they do not represent a threat to civil peace or the airbase used by the US Air Force. If there were no bombs, no bomb-making materi