At the heart of the case is the violent abuse of a woman by a state agent under MI5's control. After the BBC began ...

MI5 director general Sir Ken McCallum repeated his "full and unreserved apology for the errors made in these proceedings". He said resolving this matter was "of the highest priority for MI5" and ...

A ruling by London's High Court cited the domestic intelligence agency's failure to explain why representatives had ...

MI5 previously said there had been ‘failings and errors’ in legal proceedings related to an alleged source accused of abusing two women.

The Home Secretary has said she is “deeply concerned” that MI5 gave false evidence to the High Court and that the Government accepts a further investigation should take place.

It emerged during the court case that Sir Jonathan did speak to MI5 director general Sir Ken McCallum for his investigation. But when the BBC's special advocates requested any notes of the ...

Premature’ to decide whether MI5 should face contempt probe in BBC injunction case, judges rule - An injunction was granted ...

In the past, following other U.S. military actions, it has taken years for the full dimensions of Iran’s intended campaigns of revenge to come into view.

The head of MI5, Ken McCallum, said in October that authorities had stopped 20 state-backed plots hatched by Iran in the UK since 2022.