Two men have been brutally shot in Sydney's inner-west overnight sparking a major police manhunt for the gunman.
Police officers remain at the scene of the shooting in Five Dock early this morning where the two men were shot.
NSW Police says emergency services were called to a unit on East Street about 3.45am, following reports of possible shots fired.
"Officers from Burwood Police Area Command entered the unit and found a man suffering a gun shot wound to his head, and another man suffering a gun shot wound to his arm," police said in a statement.
Both men were taken to Westmead Hospital; the man with the head wound is critical, the other is believed to be stable.