According to Business Insider, The UK is charging two Russian men identified as Alexander Petrov and Ruslan Boshirov over the poisoning of a former Russian spy this March.
Sergei Skripal, the former spy, and his daughter collapsed in Salisbury after being exposed to novichok, a military-grade nerve agent developed in the Soviet Union during the Cold War.
Police released a detailed description of the suspects' whereabouts in the runup to the attack.