A teenager was taken to hospital after being seriously injured in a collision in St Helens.
Police said they received a report of a crash involving a suspected stolen scooter and a Peugeot 308 on Clock Face Road at around 11.20pm on Friday.
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The rider, a 16-year-old boy, was taken to hospital for treatment to serious leg injuries. His condition has been described as "stable".
A police investigation is under way and witness, CCTV and house-to-house enquiries are ongoing to establish exactly what happened.
Anyone who saw the incident or has any information or dash-cam footage is asked to contact @MerPolCC on Twitter or call the roads policing unit on 0151 777 5747 with reference 18200194047.
Alternatively, contact Crimestoppers, anonymously, on 0800 555 111 or tweet @CrimestoppersUK.