Regional Investigations Unit officers are seeking to identify a woman who was seen during two armed robberies at chemists in Kelmscott and Forrestfield during the past few days.

The first occurred at around 3.10pm on Sunday 18 September. A woman entered the Pharmacy Plus Chemist at the Stargate Shopping Centre on Albany Highway Kelmscott and approached the staff member at the counter.

She then was directed to the pharmacist, bfore threatening him with a knife. She was given an amount of Oxycontin before leaving the premises. The woman was seen to enter a black coloured small four wheel drive which headed south along Albany Highway.

The second incident occurred today at around 11am.

A woman entered the Forrestfield Pharmacy in Hale Road in Forrestfield and approached the dispensary counter.

She asked to speak to the pharmacist, before removing a knife from her handbag, and demanding Oxycontin. She was given an amount of the drug before calmly walking out of the store.

The woman is described as being fair skinned, in her 40s, 160cm tall, with curly red/brown shoulder length hair. In the second robbery, she was wearing black track suit pants with two thin white stripes down the side, and a black track suit top with New York written across the front.