I doubt this will have any measurable impact on Russian behavior, but it seems to be a fairly quick and decisive action from the UK. We'll see if it's accompanied by any financial sanctions, expulsion of Russian media, etc.
https://www.nytimes.com/...nitive-measures.html
Slowguy
(insert pithy phrase here...)
https://www.nytimes.com/...nitive-measures.html
Slowguy
(insert pithy phrase here...)