Connie Thompson saw three men throwing rubbish bags into the streets of York.
When the police arrived, they made the trio clear up the mess.
The men were walking down Gillygate in York around 2:30am on Tuesday 7th January when they started chucking garbage around.
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Sunday's Pollen for the North East region
Cladding from high-rise flats in 25 local authority areas has now proved to be potentially flammable in the urgent safety review.
Police have shed further light on the crash, which took place in Newcastle while people were celebrating Eid.