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Police were called to Dreamland following reports of anti-social behaviour.
A man, accused of assaulting members of staff, was arrested.
He had previously been asked to leave the park as he was said to be under the influence of alcohol.
The 45-year-old man, from Epsom in Surrey, admitted the offences in custody and was given a simple caution.
It happened on Sunday at 7.40pm.
A Dreamland spokesman said: "There was an incident of anti-social behaviour involving one individual and the matter was passed onto the police."