OKAY, THIS IS MORE LIKE A PLOT FOR A NOVEL THAN A SERIOUS THEORY. But imagine that elements within the British security apparatus — perhaps suborned by Iran, perhaps following an agenda of their own — set this up. Perhaps they wanted an excuse to crack down, perhaps an excuse to tell the US to leave. Then they were busted by some random farmer who called local police who didn’t know not to arrest the terrorists. Now they need to make this go away lest the real agenda leak out, so they let them out on bail and they’ll never be heard from again.

Probably not.

UPDATE: