Last month, Queen's Brian May - who has actively campaigned against a badger cull - said the plans made him "sick to my stomach". He also said "don't tell me vaccination doesn't work".
May also started an e-petition to stop the plans, which currently has over 161,000 signatures
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The Prime Minister will meet fellow world leaders including Donald Trump at the gathering.
The weekend will see plenty of sunshine across most of the UK.
A BBQ bank holiday weekend