UPDATE 6pm: A man has been killed this afternoon in a crash on the Ballan-Daylesford Road at Korweinguboora.
The man, who is yet to be formally identified, was killed when his car left the road near the intersection of Chase Road at 3.15pm.
Initial reports were that two cars had been involved in the crash, but police have released a statement saying only one car was involved.
The male driver, the sole occupant of the vehicle, received medical attention at the scene and the air ambulance was called, but he died shortly after the crash.
UPDATE 4pm: The air ambulance has been called to a crash on the Ballan-Daylesford Road this afternoon near Spargo Creek.
A man is being tended to at the scene with what is believed to be critical injuries. At this stage, he is believed to be the only person requiring treatment.
Motorists are asked to avoid the area this afternoon if possible as road blocks are in place.
EARLIER: EMERGENCY services are on the scene of an accident on the Ballan-Daylesford Road near Spargo Creek this afternoon.
There are reports that at least one person was trapped in a vehicle after the incident which occurred at at 3.15pm this afternoon.
At least five different emergency services vehicles are on scene and motorists are asked to avoid the area for the time being.
It is not as yet known if any people have been injured.
Have you signed up to The Courier's daily newsletter and breaking news emails? You can register below and make sure you are up to date with everything that's happening in Ballarat.