The Labour Party says there has been a “sophisticated and large-scale cyber-attack” on its online platforms.
The Skripal case shows how Russian intelligence services have the confidence to carry out shoddy operations, seemingly unconcerned about whether or not they will be discovered.
Theresa May is preparing to face questions from MPs about her decision to launch air strikes against military targets in Syria alongside the US and France.
Western leaders continue to discuss possible military action in Syria after a chemical attack killed dozens of people in the formerly rebel-held town of Douma last week.
Tensions with Russia and the US have made both partners in the Brexit negotiations more aware of their shared interests than they seemed to be a year ago.