I would guess it's in the hundreds of thousands. No records can be kept that up to date. At least the Tory party has the sanction that anybody daring to vote twice will have their membership suspended.
That doesn't stop the BBC headlining this as some kind of non-democratic process.
Just another nail in the licence fee coffin.
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History is much like an endless waltz: The three beats of war, peace and revolution continue on forever.
However history will change with my coronation - Mariemaia Khushrenada