Police have released CCTV images of three men they'd like to speak to following a spate of armed robberies in western Sydney.
Metropolitan Robbery Unit set up Strike Force Rosalind in March to investigate a number of armed robberies at service stations in Sydney's west.
Service stations in Rooty Hill, Werrington, Cranebrook, Colyton, Blacktown, Glendenning and Minchinbury have been targeted between March and October this year.
On each occasion the offenders threatened staff with a large knife before stealing money and cigarettes.
Police have released CCTV images of three men who may be able to assist with their inquiries.
A number of arrests have been made in relation to the matters but investigators are now seeking information from the public in relation to the identities of the men shown in the CCTV images.
Police urge anyone with information to call Crime Stoppers on 1800 333 000