The UK are on place number 40 in the world ranking Press Freedom Index for 2018 rsf.org/en/ranking,
It is not the first time that disinformation is being excused by being freedom of speech. euvsdisinfo.eu/propaganda-inundation/, , euvsdisinfo.eu/four-factors-affecting-press-freedom-in-russia/,
Many competing and contradictory stories promulgated by Russian state-controlled media on the Skripal poisoning and the subsequent poisoning of two UK citizens in Amesbury 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.
For the UK response see: https://www.gov.uk/government/news/novichok-nerve-agent-use-in-salisbury-uk-government-response
The laboratory has answered to Russian claims about BZ https://twitter.com/SpiezLab/status/985243574123057152
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/
On 4 July paramedics were called twice to a flat in Amesbury not far from Salisbury. Scientists at the UK's military research lab, Porton Down, found the couple had been exposed to the same nerve agent as the Skripals, Novichok. One of the victims passed away on 9 July.