Anyone with information can contact police on 101 quoting log 1316 of 7th October.
The teenage boy involved in the collision last night has passed away.
Dylan Crossey, 15, was cycling down Chainhouse Lane towards Penwortham Way at around 11pm when he was involved in a collision with a silver 3 Series BMW which failed to stop at the scene.
Dylan suffered serious head injuries and was taken to Royal Preston Hospital before being transferred to Manchester Children’s Hospital where he subsequently died from injuries.
Chief Inspector Mike Adamson said: “Dylan has very sadly died as a result of the injuries he sustained in this collision and we are continuing our investigation into this tragic incident.
“We would appeal to anyone who may have witnessed the incident, or who may have seen a silver BMW 3 Series in the area around the time of the collision to contact us.
“Similarly, if you have any other information that could assist with our on-going investigation I would urge you to get in touch with us as soon as possible.”
Officers have today arrested a 42 year old man from New Longton on suspicion of causing death by dangerous driving and drink driving.
Anyone with information can contact police on 101 quoting log 1316 of 7th October.