National security

From intelligence sources to intricate mission plans, some details are becoming clearer - but many questions remain unanswered.

The president also called on defence firms to increase production or face a crackdown on payouts.

Sciences Po Saint-Germain near Paris trains current French secret agents and potential new recruits.

BBC Security Correspondent Frank Gardner explains how the war in Ukraine is pushing Europe and the US apart, as peace talks continue to stall.

In an annual speech, Sir Ken McCallum says the security service is operating in "a new era" with terrorism remaining an "ever-present threat".

The University of Lincoln is leading a project on how AI can defend the country.

The social media platform had faced a ban in the US over national security concerns.

Adm Sir Tony Radakin says he is optimistic about the country's defence.