British counterterrorism police have arrested three men in London on suspicion of spying for Russia.

The head of Britain’s domestic intelligence agency says China poses a daily threat to the United Kingdom’s security.

British counterterrorism officers have arrested four Iranian men over an alleged plot to attack an unspecified target and three others over a national security threat.

A special tribunal has rejected a legal claim against Britain’s domestic intelligence agency by more than 300 survivors of a bombing that killed 22 people at a 2017 Ariana Grande concert in Manchester.

The head of MI5 says Britain is facing a staggering rise in attempts at assassination, sabotage and other crimes backed by Russia and Iran.

More than 250 survivors of the suicide bombing that killed 22 people at a 2017 Ariana Grande concert in Manchester, England are taking legal action against Britain’s domestic intelligence agency.