Detectives investigating a collision in south-east London have released images of the rider as they continue to appeal for information.
Police were called shortly after 15:00hrs on Thursday, 11 May to reports of a motorbike in collision with two pedestrians on Eltham Hill, SE9.
Officers attended and found a 29-year-old woman and an 18-month-old child. The child, who was in a buggy, was injured in the collision.
They were both taken to a south London hospital by the London Ambulance Service. The baby remains in hospital with serious injuries.
Detectives from the Roads and Transport Policing Command are investigating.
They have today released images of the motorbike and rider. They would ask that anyone who recognises either contacts police to help with the ongoing investigation.
Detective Constable Tristan Hunter, from the Serious Collision Investigation Unit, said: “I would encourage anyone who knows who the rider might be to speak with us. They failed to stop at the scene following their reckless riding.
“A young child has suffered life-changing injuries that will continue to require ongoing treatment, including rehab.
“Please call police and tell us what you know.”
On Thursday, 18 May, a teenaged boy was arrested on suspicion of causing serious injury by dangerous driving. He has been released on bail.
Anyone with information is asked to call the witness line on 020 8285 1574 or via 101 quoting reference CAD 4687/11May.
