Mandurah Detectives have charged a man following an alleged road rage assault which caused the victim to fall and hit his head on the ground.
Police say the incident occurred on Mandurah Terrace about 11.30am, on Tuesday,
The drivers became involved in a verbal altercation before a 30-year-old man was assaulted, and treated at the scene by St John Ambulance before being conveyed to Peel health Campus.
The other 30-year-old man left the scene but was arrested a short time later and charged with assault, driving on a suspended licence, possessing cannabis and giving false personal details to police,
He will appear in the Perth Magistrates Court on Wednesday.
Police ask any person who may have witnessed this incident or hold dash-cam footage to contact Crime Stoppers on 1800 333 000 or make a report online at crimestopperswa.com.au