Ambulances are on scene at the moment in Bakers Road, Uxbridge, after an accident involving a U5 bus and a woman pedestrian.
The incident happened at 5.10 in the bus station. London Ambulance Service said it sent a single responder and an ambulance crew.
Bus routes 222 331 427 607 A10 U1 U2 U3 U4 U5 U7 U9 and U10 are not stopping at the bus station at the moment. Dozens of people are milling about in Bakers Road.
Paramedics are still working on the woman in the road, directly in front of the U5 bus which was involved in the incident, at the junction with Belmont Road directly in front of the Jobcentre.
Police officers have cordoned off Bakers Road, and Belmont Road is closed at the Bakers Road junction.