Three hurt in Sydney road-rage incident

A man is facing an array of assault charges after a road-rage incident in Sydney's west.

A 25-year-old man twice punched a 51-year-old man in Fairfield Heights about 8.30pm on Sunday, police said.

Two men, 26 and 33, who came to help, were also assaulted and a 22-year-old woman, who was a passenger in the 25-year-old man's car, received minor injuries, police said.

The man was charged with assault occasioning actual bodily harm, possessing a prohibited drug and stalking or intimidating and was refused bail to appear at Fairfield Local Court on Monday.