Detectives are appealing for witnesses and information after a cyclist was seriously injured in a road traffic collision.
At about 08:00hrs on Saturday, 8 July a cyclist was in a collision with a car. It is believed the collision happened in Upminster Road, near the junction of Hacton Lane, Upminster.
Both the cyclist and the driver of the car stopped at the scene, but the parties did not exchange details.
Other motorists also stopped at the scene to assist.
The cyclist, aged in his 60s, then got back onto his bicycle and cycled away.
He later self-presented in the early hours of the next morning to a hospital in where he was treated for serious head injuries. He remains in hospital in a serious but stable condition.
The cyclist reported the collision to police on Thursday, 20 July.
Detectives from the Met’s Roads and Transport Policing Command are investigating and are appealing for witnesses to come forward.
DC Mark Aken, the investigating officer from the Serious Collision Investigation Unit, said: "We would appeal for anyone who witnessed this collision to contact us, especially those who stopped at the scene to assist.
"We believe the car involved was a blue Nissan Micra. We would also appeal for the driver of this vehicle to contact us because we are very keen to speak to them about the collision."
Anyone with information or any witnesses should contact the Roads and Transport Policing Command on 0208 5974874, 101 or Tweet @MetCC.
Information can also be reported anonymously to Crimestoppers on 0800 555 111 or online at www.crimestoppers-uk.org.