Major Collision Investigation Unit detectives have charged a man following a serious collision in Somerton this morning, Victoria Police say.
It is alleged a car collided with a ride-on lawn mower at a roundabout on Austrak Drive about 8.10am.
The driver of the mower, a 54-year-old Chirnside Park man, was taken to hospital with life-threatening injuries.
The 19-year-old driver of the Ford sedan was not injured and was arrested at the scene.
He has been charged with dangerous driving causing serious injury, negligent driving cause serious injury, drive whilst suspended and other traffic related offences.
The Meadow Heights man will appear at the Melbourne Magistrates Court this afternoon.