A man has died after being struck by a car in Deer Park early on Wednesday morning (Sep. 21).

The man was parked in the emergency lane of the Western Ring Road changing his tyre when he was struck by a car about 1am.

He was taken to hospital with life-threatening injuries however later died.

The driver, a 35-year-old Kings Park man, was not injured and stopped at the scene.

He has been arrested and is assisting investigators with their enquiries.

The Greensborough-bound lanes of the Western Ring Road are expected to be closed for several hours so motorists are urged to take an alternative route.