An elderly woman is being treated in hospital after a car crash on Preston New Road.
Police, fire engines and paramedics were called to the incident on the M55-bound carriageway of the road close to the Windmill service station.
The woman was a passenger in one of the cars, and hat to be cut free by fire crews.
The extent of her injuries is not yet known.
Traffic is being diverted along Clifton Road and there are currently major delays in the area.