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Investigators have released an image of a man they wish to identify after a child was hit by a motorbike.
The 12-year-old suffered serious head and leg injuries after being hit while crossing the road in Bradfields Avenue, Chatham.
The youngster is yet to make a full recovery since the incident on Tuesday, May 10.
A man in his 20s was arrested on suspicion of causing serious injury by dangerous driving and driving without a licence or insurance on June 26.
He has since been released, pending further inquiries.
Officers have now released an image of the man they wish to identify as part of their investigation.
The collision happened at about 8.10am. Police previously said it had happened an hour earlier.
Anyone with information who has not yet spoken to officers, is asked to call the North Kent appeal line on 01474 366149 quoting reference 46/XY/14112/22.
You can also call Crimestoppers anonymously on 0800 555111 or complete the online form on their website.