Well, if they don’t want their people (and facilities) hit in a war, maybe they should stay out of the war zone.
Also not trying to foment a full World War against Russia might make them a little more circumspect about hitting your stuff in Ukraine.
Why are the British still over there? After all, they can't interfere in Ukraine elections since there haven't been any since 2019. Zelensky has signed 15 extensions to his Martial Law in Ukraine, so that elections can't be held.