A 39-year-old man was taken to hospital with head injuries following an accident in Bradford.
Police would like to speak to the driver of a dark grey Nissan Navara following the accident in Huddersfield Road, Bradford, in the early hours of Sunday.
The Navara is believed to have been travelling from Town Street in Wyke towards Bradford at about 12.15am, when it will involved in an accident with a 39-year-old man, who was taken to Bradford Royal Infirmary.
He is currently in a serious but stable condition.
Anyone with any information about the above incident is asked to call police on 101.