Russia may have violated UN convention on the law of the sea but says it took ‘all measures to prevent the incident’

Ex-defence secretary John Healey and ex-defence minister Al Carns have given resignation statements to MPs

PM hit by three-pronged attack from ex-defence secretary, former defence minister and chief of defence staff

In today’s newsletter: An argument about money has also spotlighted questions about Britain’s place in the world and the changing face of warfare