MI5
UK to place Iran onto highest tier of new foreign security risk register
Head of MI5 said at least 20 Iran-backed plots to kidnap or kill Brits or individuals based in the UK were thwarted in past three years.
UK's MI6 spy tells Russians: join us as agents to end war
Israel's Mossad tipped off MI5 about Iran terror threats - report
Iran tried to kidnap or kill at least 10 people in the UK - MI5 chief
UK Home Secretary vows to deport foreigners following Reading attack
The UK's MI5 watch list of terror suspects has doubled in size since last year, reaching 43,000 suspects.