Police in Wakefield are seeking a taxi driver who they believe may be able to assist with an investigation into a road traffic collision which left a woman in a serious condition.
Officers have confirmed that although the woman's condition is considered serious, it is not life-threatening.
The collision occurred on the A637 Bar Lane, between Flockton and Midgley, at around 10.15pm on Tuesday, 4 August.
The incident involved a BMW 1 Series car and a Toyota RAV4, which were travelling in opposite directions and collided.
Police are now seeking a taxi driver who was believed to be in the area at the time of the collision, and may have valuable information.
A spokesman for the force said: "There are no further details known about the vehicle other than it is a taxi, but it is believed the driver may have been a witness to it.
"Anyone who can assist the enquiry is asked to please contact PC Bastow of the Eastern Roads Policing Unit based at Carr Gate, Wakefield on 101, referencing collision 13200391512."