Armed man robs Perth deli

A man who brandished a firearm while robbing cash from a deli in Perth's northern suburbs is being sought by police.

Police are searching for a man who used a firearm to hold up a delicatessen in Perth's northern suburbs.

The robbery at Sumbersby Gardens, Currambine was reported to police at around 9am (WST) on Monday.

The offender, who was wearing dark clothing, took money from the cash register and fled on foot.

Anyone with information is urged to contact police.