Police are currently at the scene of a robbery at Marleston.
Just after 7.30am on Tuesday 12 February, a man entered a recycling business on Grove Avenue and demanded cash.
No weapons were sighted and the suspect left with an amount of cash.
He is described as wearing a dark hooded top and dark track pants. The victim was not physically injured.
Anyone with information about this incident is asked to call Crime Stoppers on 1800 333 000 or online at www.crimestopperssa.com.au