Elchonon’s funeral is believed to have taken place on Monday. A member of the community said the parents were “grieving”.
A police spokeswoman confirmed that the Seat driver had been arrested on suspicion of dangerous driving.
She said: “The driver of the car involved, a man aged in his 20s, stopped at the scene and was arrested on suspicion of dangerous driving.
“He was taken to an east London police station and was subsequently bailed pending further inquiries to a police station on a date in mid-November.
“Officers from the Roads and Transport Policing Command [are] investigat[ing] and appeal to anyone who witnessed the collision, or the events leading up to the collision, to contact them on 020 8597 4874.”
She added: “Our inquiries continue into the circumstances of the collision.”