In a major breakthrough, Keir Starmer will extend the new "duty of candour" created by the legislation to ensure MI5, MI6 and ...

MI5 turned a blind eye to “grotesque” crimes committed by a British spy who infiltrated the IRA during the Troubles, a damning report has found. Agent Stakeknife worked within the internal security ...

Britain’s MI5 security service warned members of parliament on Tuesday about attempts by Chinese agents to collect information and influence activity, according to an email sent to lawmakers seen by ...

The head of MI5 has said he was frustrated by the collapse of the Chinese spy case as he warned that Beijing poses a threat to the UK “every day”. Sir Ken McCallum said the Security Service worked ...