An armed robbery at a Heatley convenience store is under investigation.
Around 6.45pm on Tuesday, a man entered the Fulham Road store armed with a syringe containing a red substance.
He threatened an employee, and demanded money and cigarettes before fleeing with some cash.
The female employee was uninjured.
Anyone who can help identify the man or has information is urged to contact police.
Members of the public are asked not to approach anyone displayed in these images.