Sergei Skripal

Impact: Sergei Skripal, a former Russian spy, was the primary target of the Novichok poisoning, which he survived, but the attack led to the death of 2018 Amesbury poisonings.

Impact: Sergei Skripal was a former spy who was targeted in the Salisbury assassination plot using Novichok, an event that contributed to the UK's decision to impose sanctions.

Impact: Sergei Skripal, a former Russian agent, was mentioned in the European joint statement as a precedent for Russia's alleged use of deadly poisons against its enemies, referring to the 2018 Novichok poisoning in Salisbury, England.

Impact: The poisoning of Sergei Skripal in 2018 is mentioned as a previous instance mirroring the findings in Alexei Navalny's case, where Western intelligence concluded state-sponsored attacks.