The Real IRA has been cracked wide open by an MI5 spy who is set to testify at the trial of the dissident terror grouping's suspected leader, according to reports. An ...

The head of Britain’s domestic spy agency MI5 issued a rare public apology today for providing “incorrect information” to London’s high court over a BBC investigation that said one its ...

The woman’s demand follows MI5’s admission it gave false evidence ... Reprising his most recent role as a spy for the intelligence agency, Oldman puts a London spin on The Night Before Christmas.

Apple TV+'s "Slow Horses" is a gripping spy thriller about a group of MI5 agents who are relegated to administrative roles in an office called Slough House as punishment for failing a mission.