Police are appealing for assistance following an armed robbery in Toongabbie last night.

 About 6.50pm (Tuesday 13 September 2011), a man entered a liquor store on Bungaree Road, Toongabbie, and threatened the 25-year-old employee with a large knife.

 The man demanded the employee open the register, and move away from the counter area, to which the employee complied.

 The man stole a sum of money and ran from the store, heading south on Bryson Lane.

 Police from Parramatta Local Area Command and specialist forensic officers attended the scene and conducted inquires.

Detectives would like to speak with a man they believe will be able to assist with inquiries.

 He is described as being of Caucasian appearance and of thin build, aged in his early 20s, and approximately six foot tall.