A manhunt is under way after a man was smashed in the head with a gun that fired during the ordeal.

A 27-year-old man was hit in the head with a firearm in Quakers Hill about 8pm yesterday, prompting residents to rush out and help him.

"There was a very loud bang and a piercing scream, so (we) went out to investigate," witness Mitchell Klenner said.

"Ran back home, got bandages to compress the wound. He was bleeding rapidly.

"You just want to help your fellow man."

Police and paramedics arrived but the attackers fled the scene shortly after the incident.

In a video filmed after the attack the man said "I was just stopping by. I came from Newcastle".

It's left residents scared,

"We've got young kids at home, this has been a safe neighbourhood. It's absolutely terrifying seeing th

See Full Page