Police are investigating the attempted armed robbery of a petrol station at Redbank Plains this morning.

Around 7.30am, a man entered the Kruger Parade store, approached the counter and produced what appeared to be a handgun.

He threatened the staff member and demanded money, however fled moments later empty-handed when the alarm was activated.

No one was physically injured during the incident.

The man is described as being Caucasian in appearance, late 30s, heavy build, with light hair.
He was last seen wearing a black baseball cap, black t-shirt with a light-coloured print, black shorts and was carrying a small dark-coloured bag around his waist.