Three teenagers were seriously injured - including one who is in a life-threatening condition - after a car veered off a road and onto tram tracks, hitting an electricity pylon.
The incident happened on the A61 Netherthorpe Road near to Brook Hill Roundabout, Sheffield, just after midnight today.
Firefighters had to cut the three occupants free from the car, which had overturned and was lying on the tram tracks.
A South Yorkshire Police spokeswoman said: “A silver Vauxhall Corsa driven by a 19-year-old Sheffield man was in collision with a pylon.
“The 19-year-old driver sustained serious injuries and was taken to the Northern General Hospital.
“A passenger in the Corsa a 19-year-old man from Sheffield sustained life threatening injuries and was taken to the Queens Medical Centre in Nottingham.”
She added: “Another passenger in the Corsa a 17-year-old female from Sheffield sustained serious injuries and was taken to the Northern General Hospital.”
Meanwhile, a 53-year-old pedestrian is being treated in Rotherham District Hospital for serious injuries after a hit and run collision.
The police spokeswoman said: “At around 11pm on yesterday, the man was walking along Rotherham Lane, towards Thurcroft.
“An unknown large vehicle which was travelling in the same direction was in collision with the pedestrian, which reportedly failed to stop and left the scene.”
■ Witnesses should call police on 101 quoting incident 19 of November 10 for Netherthorpe Road, or 1386 of November 9 for the Thurcroft hit and run.