An e-scooter rider died following a collision with a car in Tower Hamlets.
Officers rushed to Manilla Street at 5.40pm on Sunday following reports of a crash.
The rider, a 32-year-old man, was taken to an east London hospital.
Despite the best efforts of medical staff he was pronounced dead at 8.35pm.
His family have been informed.
The driver of the blue Kia failed to stop at the scene. The vehicle has now been located but enquiries are ongoing to track down the driver.
Any witnesses or anyone with dashcam footage that may assist are asked to call the Roads and Transport Policing Command on 020 8597 4874 or call police on 101 quoting CAD 5622/24JUL.