Police are investigating an armed robbery Friday in the South End of New Bedford.

According to Police reports, a man armed with a handgun entered Expo's Mini-Mart at 382 Brock Avenue and got away with an undetermined amount of cash.

The suspect was last seen heading north on Brock Ave.  He's described as a white male, tall and thin, around 20 years old, wearing a black-hooded coat and black ski mask.

Police say anyone with information about the robbery is urged to call 508 991-6350, or the anonymous tip line at 508 992-7463.