A 19-year-old man has died and an 18-year-old man was critically injured after a car carrying six people crashed into a wall in Calderdale, West Yorkshire.
Police were called to reports of a crash on Brow Lane in Shelf at 11.17pm on Friday.
A white Seat Ibiza was travelling down Brown Lane, towards Low Bentley, when it hit a wall, police said.
Four other passengers in the vehicle at the time of the crash suffered injuries not believed to be life-threatening. All were taken to hospital for medical treatment.
A scene and road closure are in place and officers from the major collision inquiry team are investigating.
Officers are appealing for anyone who was driving in the area or lives in the vicinity of Halifax Road and Brown Lane to check their dashcam or CCTV for any relevant footage that could assist with the investigation.
Officers are also keen to hear from anyone who may have seen the white Seat Ibiza on Halifax Road or being driven in the area before the crash.
