Police were called to the intersection of Moor Lane and Poplar Avenue after a collision between a white Yamaha moped and a pedestrian was reported.
A 71-year-old woman is fighting for her life after a serious incident in Crosby.
A 29-year-old man was arrested on suspicion of using drugs while driving.
She remains in critical condition in hospital today.
Emergency services rushed to the scene of the accident, and the 71-year-old pedestrian was taken to hospital for treatment of a head injury.
The terrible accident occurred yesterday (Friday, October 30) shortly before 13:35.
An investigation is underway and anyone who witnessed the incident and has video or dashcam footage is requested to contact @MerPolCC, 101 with reference number 20000658201 or the Roads Policing Unit at 0151 777 5747.
A 29-year-old man from Netherton was arrested on suspicion of driving under the influence of drugs and has since been released as part of an ongoing investigation.
The street where the collision occurred was closed for most of the day before being reopened later.
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