The government's national security adviser is facing pressure over whether he played a role in the trial's collapse.

The Conservatives suggest Jonathan Powell's role led to the collapse of the prosecutions against two men.

The government is facing questions about why the case collapsed just weeks before a trial was due to go ahead.

The government's national security adviser is facing pressure over whether he played a role in the trial's collapse.

Keir Starmer releases documents submitted by deputy national security adviser to Crown Prosecution Service

Stephen Kinnock says government is ‘deeply disappointed’ CPS abandoned prosecution

Statements are at heart of row about who, if anyone, was to blame for collapse of case against two men accused of spying

The disclosure sheds more light than ever before on what the two men were accused of, but raises new questions for the prime minister and prosecutors.