Police are hunting a man following a stabbing in Sydney's west.
Emergency services were called to a unit block on Saddington Street, St Marys, just before 11.30pm on Friday where a 25-year-old man was found with stab wounds to his torso.
He was taken to Westmead Hospital for surgery and is believed to be in a serious condition.
Police say a man was seen fleeing in a white utility and officers are appealing for anyone with information to come forward.
© AAP 2018