Police investigating armed robberies

Four men police want to speak to in regards to armed robberies. (Supplied)

Police are investigating three armed robberies that occurred in Sunshine on February 18.

It is alleged that four males approached three victims at the Sunshine railway station and threatened them with a knife before stealing their mobile phones about 2.30pm.

Police have released images of the males they believe may be able to assist with their investigation.

Anyone with information is urged to contact Crime Stoppers on 1800 333 000 ort at www.crimestoppersvic.com.au