Metropolitan Police said a woman in her 20s had died in hospital after a collision with a car in Green Lane , which also left another woman in her 20s with life changing injuries.
On social media, the woman who died has been named as Himanshi Gupta, with many taking to Twitter and Facebook to pay tribute to her.
Emergency services were called to Green Lane at around 9.35am after reports of a collision between a car and two pedestrians.
The two pedestrians, both women thought to be in their 20s, were rushed to hospital but sadly one died.
Her next of kin has been informed.
Police announced at around 7.30pm on Tuesday that the woman had passed away.
An appeal is under way by Metropolitan Police to trace anyone who may have witnessed the crash.
The car, a black Range Rover, did not stop at the scene but was stopped shortly afterwards.
The driver of the car, aged 39, was initially arrested on suspicion of of causing injury by dangerous driving and was taken to hospital.
He was further arrested on suspicion of causing death by dangerous driving.
Police said he has been bailed to return on a date in late April.
The Serious Collision Investigation Unit is carrying out enquiries and has urged any witnesses or anyone with information to call 0208 543 5157.
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