Police were called to reports of a serious collision between a car and a pedestrian in Bolton.
The incident occurred shortly after 2.15pm yesterday.
Officers understand that the car was travelling eastbound along Melbourne Grove when it collided with a 72-year-old pedestrian on the nearby pavement.
Despite the best efforts of emergency services, the woman died as a result of her injuries.
A 68-year-old woman has been arrested on suspicion of causing death by careless driving. She remains in police custody.
Detectives are now appealing for information, including doorbell and dashcam footage to help understand the full circumstances.
Police constable Thomas Johnson said: “Firstly, our thoughts are with the loved ones of the woman who sadly lost her life in this collision. We will continue to support them throughout our investigation, ensuring they receive the necessary care.
“Our investigation is still in the early stages, and I would urge anyone with information or detail that could assist our investigation should do so at the earliest opportunity.”
Anyone with information is asked to call 0161 856 4741 direct or 101 quoting incident 1747 of 07/08/2024. Details can also be passed on anonymously to Crimestoppers on 0800 555 111.