Police are investigating after a Campbelltown home was allegedly invaded by three armed offenders overnight.
Two men were awoken by the sounds of their dogs barking about 12.15am at their Centaurus Street home.
One man went to the rear of the house to check what had stirred the dogs and was allegedly confronted by two men and a woman.
The trio were reportedly armed with a firearm and knives.
The group demanded money before leaving the house with cash, watches, mobile phones and a 2016 black Mercedes C63 coupe.
The car's registration is AMGRP.
Police attended the home and established a crime scene, which was examined by specialist forensic officers. Detectives have begun an investigation.
Officers were told one of the invaders is of Pacific Islander/Maori appearance, 185-centimetres tall and of solid build. He was wearing a dark hooded jumper and dark pants.
The second man and woman were both described as being of Aboriginal or Torres Strait Islander appearance, of thin build, about 165-centimetres tall and also wearing dark clothing.
Anyone with information relating to the incident is urged to contact Crime Stoppers on 1800 333 000.