Breaking: Man stabbed in the head during home invasion in Sydney's west - ABC News & Headlines – Australian Broadcasting Corporation

Two men are in a serious condition after sustaining head injuries. (ABC News: Floss Adams)

Two men are in a serious condition after sustaining head injuries following a home invasion in Sydney's west.

Emergency services were called to a Lalor Park property about 7:30am on Tuesday following reports of a home invasion.

Officers were told two men had entered a home and allegedly assaulted a 64-year-old man and a 44-year-old man before leaving the location.

NSW Police said the injured men left the home and were treated by paramedics nearby, before they were taken to hospital in a serious condition.

NSW Ambulance said both men suffered injuries to their heads.

A crime scene has been established and an investigation is underway.