Three people have been arrested following three separate armed robbery incidents in south-west Sydney overnight.

About 12.20am (Wednesday 10 June 2015), it’s alleged a woman and two men armed with knives entered a service station on Woodville Road, Villawood, and demanded cash from the attendant.

The group fled the location a short time later with cash and cigarettes.

Officers attached to Fairfield Local Area Command attended and established a crime scene.

The same trio then allegedly attended a petrol station on the corner of the Hume Highway and Hollywood Drive at Lansvale about 12.45am, where they threatened the attendant with knives while demanding cash.

The trio ran from the location with the till and its contents.

Police from Cabramatta Local Area Command were alerted and a crime scene was established.

During an extensive search of the area, police located a Toyota Corolla partially submerged at the end of a boat ramp on Rowley’s Point Road, Lansvale, which is believed to be connected to the robberies.

It’s in the process of being secured and will undergo forensic examination.

Shortly before 2am, the group allegedly entered a third service station near the intersection of Cumberland Highway and John Street at Cabramatta West.

The group were armed with a metal pipe and demanded cash, before leaving the area on foot.

Cabramatta police established a crime scene at the service station and continued their inquiries.

Fairfield police later stopped a taxi during their patrols of surrounding streets; after which, a 21-year-old woman and two men, aged 18 and 20, were arrested and taken to Cabramatta Police Station.

During a subsequent search of the group, police allegedly found items believed to have been stolen during the robberies.

Detectives and forensic specialists are continuing their examinations of the individual crime scenes.

The investigation is ongoing and anyone with information is urged to contact Crime Stoppers.

Police are urging anyone with information in relation to this incident to call Crime Stoppers on 1800 333 000 FREE or use the Crime Stoppers online reporting page: Information you provide will be treated in the strictest of confidence. We remind people they should not report crime information via our Facebook and Twitter pages.

Extracted in full from NSW Police.