Why were the Russians behind the story not properly acknowledged?
'For Petrov and Boshirov the interview has very high stakes -- and throughout the interview they both appear very anxious and uncomfortable.'
The UK has become surprisingly willing to brief the press about possible use of cyber attacks, including against Russia in response to the Skripal attack.
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.
Russia is aiming to triple international students numbers to more than 700,000 by 2025.
The spectacle of thousands of soldiers gassed to death in France announced to the world that a new class of weapons had arrived.
How Vladimir Putin is using hostility towards Russia to bolster his own position at home.
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.
The row over suspected Russian involvement in the assassination attempt on Sergei Skripal has sparked some very confrontational social media activity.
The attempted murder of a former Russian spy gives Britain a chance to find its feet – with the EU, NATO and a clutch of important allies on side.
An audio version of an in depth article on the story of how the nerve agent used in an attack on former Russian spy Sergei Skripal was developed.
A long read on how nerve agents were developed – and used in an attack on a former Russian spy on the streets of Salisbury.
A legal expert explains why Russia's accusations that the UK breached international law are unfounded.
Re-elected for a fourth term, Putin is not on the best terms with the rest of the world. But does he actually care?
The British PM says Russia is probably responsible for the attack on Sergei Skripal. But getting definitive proof could mean compromising British intelligence work.
The reaction of much Russian media to the Russian spy attack highlights the paucity of different viewpoints available in Russian.
International law on chemical weapons fails without mutual trust and transparency.
Theresa May says Britain could unleash 'extensive measures' against Russia following the nerve agent poisoning of ex-spy Sergei Skripal.
The UK is pointing the finger at Russia for the nerve agent attack on a former spy. How should the government react?
Russia isn't the only suspect when it comes to the practice known as 'wetwork'.