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.
More top news
An abandoned cat and its tiny six-week-old kitten were rescued by pupils on their way to school.
Plans to transform a Durham City shopping centre feature a multi-screen cinema, restaurants, cafes, student flats and a new parade of shops.
Tickets for a thrill-seeking waterslide being built for one day in Sunderland next April sold out within minutes of going on sale.