Travellers have moved onto a park and ride site on the outskirts of Norwich.
Several caravans and other vehicles were parked at Harford Park and Ride on Monday morning, taking up a large section of the car park.
As of around 10.45am there were around a dozen caravans and motor homes stationed at the park and ride, which is close to the A47.
It is not clear at this stage how long the vehicles have been on site.
A spokesman for Norfolk County Council said it had been made aware of the situation.
A Norfolk Constabulary spokesman said: "Norfolk police is aware of an encampment of travellers on the Harford Park and Ride in Norwich.
"Officers are monitoring the situation and liaising with Norfolk County Council as they assess the site."
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