The A41 Hendon Way is shut on Wednesday evening (March 7) as emergency services deal with a collision.
Drivers were advised to use an alternative route.
See our live blog updates for more about the collision.
Keep up to date with the latest news from west London via the free getwestlondon app.
You can set up your app to see news and events from your area, and receive notifications for any breaking news.
Elderly man died in crash
Some very sad news, an elderly man died as a result of this collision.
Police believe the vehicle crashed into the central reservation, before flipping.
That's it from us
That’s all from us for now but you can follow the latest updates here.
Met Police contacted
We have contacted the Met Police to enquire about the condition of those involved in the collision - we will of course let you know as soon as we hear anything back.
Drivers to Wembley Stadium
A heads up!
Emergency services on scene
Met Police, London Ambulance Service and London Fire Brigade were all called to the scene.
Diverted bus routes
Buses are being diverted due to the closure.
Good evening, the A41 Hendon Way is currently closed due to a collision - we will be bringing you live updates.