Two senior British police officers warned that Russia, Iran, and China are behind a growing number of life-threatening operations in Britain.

MI5, the UK's national intelligence agency, regularly hires full-time carpenters to help protect national security by working ...

An official report warned that Iran was targeting dissidents and gathering intelligence on Jewish and Israeli targets in ...

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 ...

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

MI5 has offered an “unreserved” apology to the High Court saying there had been “failings and errors” in legal proceedings related to an alleged source accused of abusing two women. In ...

A BBC investigation revealed that the spy agency had lied to three courts about a misogynistic agent who used his MI5 role to coerce and terrorise his girlfriend.

In a landmark collaboration, the UK’s domestic intelligence service MI5 has opened its vaults to the public for the first time, partnering with The National Archives to present an unprecedented ...

A former Metropolitan Police chief has found MI5 files were not deliberately withheld from an investigation into the IRA agent known as Stakeknife. The review was carried out following the ...

MI5 files were not deliberately withheld from an investigation into the IRA agent known as Stakeknife, a review has found. The review was carried out following discovery of the material last year ...

There is no evidence the security service, MI5, intentionally withheld documents from a major investigation into the agent in the IRA known as Stakeknife, a review has concluded. It was conducted ...