WorkSafe has launched an investigation to establish the cause of an explosion at a central Victoria grain mill on Saturday afternoon.
Two men were seriously injured following the incident at a Smeaton grain mill around 2.30pm.
The men were working at the grain mill when the incident occurred.
A man in his 50s suffered serious burn injuries and was airlifted to the Alfred hospital in a serious condition, while a man in his 30s was transported to Ballarat Base Hospital.
Reports indicated the explosion occurred after a pressure build up in a boiler.