Officers are appealing for witnesses after an elderly woman died in hospital after falling whilst on a bus in Chiswick.
Police were called at 13:35hrs on Tuesday, 18 August to a report of an unconscious woman on a route E3 bus on Chiswick High Road, near the junction with Duke Road.
Officers attended and the 77-year-old-woman, was taken by London Ambulance Service to hospital suffering from a head injury. She died shortly before 17:00hrs on Tuesday 18 August.
Her next of kin have been informed.
Detectives from the Serious Collision Investigation Unit at Merton are carrying out enquiries into the circumstances of the incident.
At this early stage it is believed the woman fell and was injured while she was travelling on the bus.
The driver of the bus is assisting police.
There have been no arrests and enquiries continue.
Anyone who witnessed the incident or has any information about the incident is asked the Serious Collision Investigation Unit on 020 8543 5157.