Deputies are investigating an armed robbery that occurred at 12000 Plank Rd. At 6:00am, the victim was washing his 1998 Ford F-150 La. license plate V212196, when he was approached by a black male armed with a handgun. The victim was robbed of his personal belongings with the suspect fleeing in the victim's truck. The suspect is described as a black male having a dark complexion and a low cut hair style. Persons with information regarding this investigation are asked to call 389-5000.