A teen has died and different is successful a captious information aft the brace reportedly fell disconnected a motorbike.
A 17-year-old lad was pronounced dormant astatine the country of the clang successful Woodchurch, Wirral.
Merseyside Police said they received reports astatine astir 6.25pm connected Saturday that 2 males had fallen disconnected a motorbike astatine the junction of Hoole Road and Grass Wood Road.
An 18-year-old lad was besides taken to infirmary wherever helium presently remains "in a captious condition", the unit said.
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Inspector Ian Cowell, from the force's roads policing team, said: "This is simply a tragic incidental that has resulted successful a teen losing his beingness and our thoughts are with his family.
"Another young antheral has besides sustained important injuries and helium is presently successful a captious information successful hospital.
"We judge determination were different males who were with them astatine the clip of the collision and we are trying to find them to spot if they person immoderate information."
He added: "When officers arrived, the conveyance progressive successful the collision, which we judge was a motorbike, had been removed and portion of our inquiries volition beryllium trying to find this vehicle.
"If you unrecorded successful the country oregon were driving past astatine the time, delight reappraisal your CCTV to spot if you captured anything, adjacent if it appears tiny oregon insignificant, due to the fact that it could beryllium captious to our investigation."
The victim's household person been informed and are being supported by specially trained officers.