An aggravated break-in at a unit block in Castle Hill is being investigated by police.
Police were called to a unit in Kerrs Road about 5am today, Tuesday, July 31, after a woman told them she was woken by noises approximately an hour earlier.
She has told police three people were in the unit and after a brief conversation demanded money and property.
Police said a quantity of property was taken from the unit.
The 60-year-old woman has been treated on site by paramedics; she did not require hospital treatment.
Police said three people, possibly in their teens, left the unit.
Anyone with information that could assist detectives should contact Castle Hill Police or Crime Stoppers, 1800 333 000