Detectives from the Met's Road and Transport investigating a fail to stop collision in East Ham have made an arrest.
A man, in his early 20s was arrested on Sunday, 6 November on suspicion of failing to stop and causing serious injury by dangerous. He has been bailed to a date in early March pending further enquiries.
Police were called at approximately 14:55hrs on Thursday, 27 October, to reports of a blue Ford Focus in collision with three pedestrians on Central Park Road, E6.
Officers and the London Ambulance Service attended. The pedestrians - a 60-year-old woman, an 11-year-old boy and an 11-year-old girl - were taken to hospital for treatment.
The two children sustained minor injuries. The woman's injuries were more serious, but her condition was not life-threatening.
The car involved stopped a short distance away and two male occupants were seen to run off on foot.
Detectives from the Met's Roads and Transport Policing Command are investigating and enquiries continue.
Anyone with information or who witnessed the collision is asked to contact officers from the Serious Collision Investigation Unit on 020 8597 4874.