Footage has emerged on the internet of the shirtless man apparently being bitten in the neck in the incident in Weston-super-Mare.
Assistant Chief Constable Louisa Rolfe of Avon and Somerset Police said
"The incident has been referred to our professional standards department for thorough investigation as we are keen to understand what happened."
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The snow didn't fall from the sky though - it was brought in on trucks from Milton Keynes.
Mostly dry with sunny spells. Overnight frosts.
More than a thousand people have taken to the streets of Bristol in protest at the inauguration of US President Donald Trump