A person is believed to be trapped underneath a bus in the city centre of Bath.
Emergency services have been called to the scene on James Street West, near the Westgate Buildings in the centre of bath.
The area has been cordoned off.
Emergency services are working to free the trapped person.
Police confirmed that two people were involved in a collision with a vehicle, but said they could not release any further details at present.
They advised motorists to avoid the area.
This article will be updated as more information becomes available