Porton Down scientists unable to establish where the nerve agent that poisoned the Skripal's was made

The transcript discusses the investigation into the poisoning of Yulia and Sergei Skripal. British scientists identified the nerve agent as Novichok, a military-grade substance, but could not confirm its origin. The UK government believes Russia is responsible, citing multiple intelligence sources. Despite international support for the UK's stance, Russia denies involvement and requests cooperation. The incident has led to diplomatic tensions, with over 20 countries expelling Russian diplomats.

What substance was identified as the nerve agent used in the Skripal poisoning case?

What has the Foreign Office stated regarding Russia's responsibility in the Skripal case?

What was the international community's consensus regarding the Skripal poisoning incident?

What challenges do scientists face in establishing the origin of the nerve agent?

How did the Russian government respond to the accusations regarding the Skripal poisoning?