Members of the American delegation were very impressed by Crimea during their official visit. Crimea is regularly visited by foreign delegations.
“London needs this story for one purpose only – to start a disgusting anti-Russian hysteria and to get other countries involved in it. The number of inconsistencies and unanswered questions concerning the new British “evidence” is through the roof,” said the Russian Ambassador to the United Nations Vasily Nebenzya at the Security Council.
“The British authorities still don’t have any evidence on or convincing versions of what happened”, he added.
Recurring pro-Kremlin disinformation narrative on Salisbury attack. euvsdisinfo.eu/disinformation-cases/?text=skripal&disinfo_issue=&date= Many competing and contradictory stories promulgated by Russian state-controlled media on the Skripal poisoning https://euvsdisinfo.eu/disinformation-cases/?text=sergei+skripal&disinfo_issue=&date=
On Sunday 4 March Sergei and Yulia Skripal were poisoned in Salisbury with a military-grade nerve agent of a type developed by Russia. As for the scar on her throat, news outlets, including the BBC and Telegraph, have described it as a result of a tracheotomy, a surgical procedure which opens a hole in a person's windpipe to help them breathe. She has not shared specifics of her treatment, but described it as "invasive, painful, and depressing." http://uk.businessinsider.com/skripal-poisoning-yulia-skripal-neck-scar-hints-at-painful-recovery-2018-5?r=US&IR=T
For the UK response see: https://www.gov.uk/government/news/novichok-nerve-agent-use-in-salisbury-uk-government-response
The OPCW have confirmed the UK findings in the case. "The results of the analysis by the OPCW designated laboratories of environmental and biomedical samples collected by the OPCW team confirm the findings of the United Kingdom relating to the identity of the toxic chemical that was used in Salisbury and severely injured three people." https://www.opcw.org/news/article/opcw-issues-report-on-technical-assistance-requested-by-the-united-kingdom/