The tension between the UK and Russia just keeps ramping up, with the British Foreign Secretary now directly blaming Russian President Vladimir Putin for the chemical attack in Salisbury.
Russia will respond soon with sanctions. It's confirmed British diplomats will be expelled, and it's still maintaining it never manufactured the nerve agent used.
"Our quarrel is with Putin's Kremlin and with his decision, and we think it overwhelmingly likely that it was his decision direct the use of nerve agent in the UK," says Boris Johnson, UK Foreign Secretary.
"I don't want to comment on what's happening anymore," says Boris Johnson Sergey Lavrov, Russia's Foreign Minister.
"Let it be on the consciousness of those who started this shameless, unjustified Russia-phobic game."
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"The whole situation is very dangerous," says Putin associate Evgeny Primakov. "I would describe it as something close to the very darkest days of the Cold War."
As for "novichok", the nerve agent used in Salisbury, Russia says it never made it. The world's main chemical weapons body says novichok haven't been declared by any state and that "there is very little information" about the chemicals.
It's just another unknown in a case riddled with unknowns, with potentially catastrophic, unknown consequences.