Police are investigating an armed robbery incident at Kingston a short time ago.

At 6.10pm police responded to a report of an armed robbery at Woolworths Kingston Caltex. Investigations are underway and a number of police are currently attending the scene including detectives.

Preliminary information is that the suspect is a youth armed with a small knife. No staff or members of the public were physically injured in the incident.

Anyone with information should contact police on 131444 or Crime Stoppers on 1800333000 or crimestopperstas.com.au. You can do so anonymously.