Mill Park Divisional Response Unit detectives have released CCTV and are hoping to identify a woman following three armed robberies at service stations in Northcote.
Investigators have been told a woman entered a High Street petrol station about 5.15pm on January 27.
She asked the service station attendant for assistance before producing a knife and demanding cash and cigarettes.
She fled south on High Street with cash and cigarettes.
On January 8, the same woman, armed with a knife, entered a store on Victoria Road about 3.30am.
She approached the attendant with a knife and made demands for cash before stealing the till containing an amount of money.
The offender fled the scene with the cash register and was last seen running on Separation Street.
She was wearing a white beanie, navy blue jacket, black track pants and black runners with white soles.
On June 14 last year, it is believed the same woman entered the same convenience store on Victoria Road about 4.15pm.
She produced a knife and demanded cash from the attendant, before fleeing west along Separation Street on a blue bicycle with a small amount of cash.
She was wearing a black beanie, a black Kathmandu puffer jacket, grey jeans, blue runners with white soles, a cream neck warmer a black backpack and was wearing one black glove on her left hand.
Investigators have released an image and CCTV of a woman that may be able to assist with their enquiries.
The offender is described as Caucasian in appearance, about 175cm tall with a medium build.
Anyone who has information to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au
