Police are hunting an alleged armed robber after a terrifying confrontation with staff at a BP service station in Mindarie.

The man approached a staff member about 10.50pm on Monday night, intimating that he had a weapon and demanded cash.

The staff member handed over the cash before the man fled the store, located on the corner of Hester and Marmion avenues.

The man is still on the run and police have called for anyone with information about the robbery to phone Crime Stoppers on 1800 333 000 or make a report online at crimestopperswa.com.au.

Extracted in full from: Police hunt armed robber after terrifying hold-up at Mindarie BP service station | PerthNow