“Most of the men are Pakistani nationals living in Britain on student visas.”
Yep and thank you for the ping, Stoat.
I caught a glimpse of this on the news. It seems they had to push the raid up 12 hours (to a day-time raid) because the head of British anti-terrorism was holding the file, labelled “Secret”, in such a manner that when he went into the building (Parliament? Prime Minister? Somewhere!)the photographers at the curb were able to blow up a photo of the document and got details of the operation! The head honcho resigned.