Police are hunting for a man who was caught on CCTV cameras robbing a petrol station in Olhão at knifepoint on Tuesday night.
The man used a knife to threaten the employee into handing over around €300, several cigarette packs, a mobile phone and a tablet.
The robbery happened at the Cepsa petrol station in Pinheiros de Marim at a time when no other employees or customers were at the station.
CCTV footage, published online by Jornal de Notícias, shows the man calmly approaching the woman and using a knife to intimidate her. He wears a hoodie to conceal his face.
The case is being investigated by GNR police.