FWIW as I'm reading it at the moment (1610 UTC) the likes of the UK are officially
requesting UK carriers do not overfly Belarus - see the Grant Shapps tweet posted above, plus the UK CAA website here:
https://www.caa.co.uk/News/UK-Civil-...nt-on-Belarus/
The "EU" are heading into a meeting shortly...but many members are not happy at all..
https://www.reuters.com/world/europe...it-2021-05-24/