Police are investigating an armed robbery at a Dean Park home on Tuesday night.
A woman, 24, was at home on Doolan Street with her two children just when two men armed with a firearm entered the premises through a window just before midnight.
The men threatened the woman, before fleeing with cash and a mobile phone.
The woman and her children were not injured..
Quakers Hill police and and Dog Unit undertook a search of the area; however the men could not be located.
As investigations continue, police are urging anyone with information or anyone who witnessed suspicious activity around the area at the time of the incident to come forward.
Police urge anyone with information about this incident to call Crime Stoppers on 1800 333 000.