A wine shop in Mt Roskill and a dairy in Birkdale have been robbed by armed offenders in separate incidents this evening.
Police said the attendant at the Birkdale Superette was robbed at knifepoint just past 6pm.
The offender threatened the attendant with the knife before taking money and cigarettes.
He then fled in a vehicle toward Beachhaven Rd, a police spokeswoman said.
The robber was described as 6ft and wearing a black cap.