A man has been arrested after a woman was killed in the latest tragedy on London's roads.
The crash happened roughly half an hour after a woman in her 70s was found seriously injured on Garratt Lane, Earlsfield
The pedestrian is fighting for her life after being hit by an electric bike in south west London at about 1.45pm on Thursday.
Police and paramedics were scrambled to Kingsbury Road just before 12.30am on Thursday.
The injured woman, aged in her 60s, was treated by medics but died at the scene.
Detectives are hunting for the driver who hit the woman and failed to stop.
The 50-year-old driver of the van was arrested on suspicion of causing serious personal injury by dangerous driving, failing to stop at an accident and being unfit through drink.
The Met Police told the Standard following the Chingford crash: "Police were called at 14:16hrs on Thursday, 7 November to reports of a collision involving a car and a pedestrian on Chingford Mount Road in Chingford.
"Officers attended with the London Ambulance Service and Air Ambulance.
"A man has been arrested in connection with this incident and enquiries remain ongoing."
A London Ambulance Service spokesperson added: "We were called at 2.06pm today (Thursday 7 November) to reports of a road traffic collision at the junction of Norton Close and the A112, E4.
"We sent resources to the scene, including ambulance crews, a paramedic in a fast response car, an incident response officer and London's Air Ambulance.
"The first of our crews arrived in six minutes.
"Our crews treated a woman at the scene. Sadly, despite the best efforts of emergency services at the scene, the woman died."