He threatened staff, took some money and ran from the bank, heading south along Aurelia Street.

No shots were fired and no one was injured.

The man was described as being 45 to 50-years-old, 175-180cm tall, with a tanned complexion, of medium build, with dark-black hair turning grey and a black moustache.

He was wearing a black beanie, a dark tracksuit, runners and carrying a two-tone dark-coloured sports bag.

Anyone with any information is urged to contact Merrylands police on 9897 4899 or Crime Stoppers on 1800 333 000. All information will be treated in strict confidence.