The Savannah-Chatham Metropolitan Police’s robbery unit is investigating an armed robbery that occurred at approximately 10 p.m., Wednesday near 44th Street and Barnard Street. The three victims were packing a moving van when two armed suspects approached them and demanded money, said Sonny Cohrs, Savannah-Chatham police spokesman.The suspects are described as two black males in their late teens or early 20s with a slim build.