Police are currently investigating an armed robbery in Derrimut overnight.
Investigators have been told an offender armed with a firearm entered a service station on Fitzgerald Road just after 9pm.
It is believed the offender has made demands and left with a quantity of cash.
The offender is perceived to be Caucasian, about 175cm tall, sold build and was wearing a bandana covering his face.
He fled the scene in a blue Ford Territory.
No one was injured during the incident.