Milwaukee Police are investigating an armed robbery/shots fired incident in the 8000 block of W. Green Tree Road that happened at about 2:20 p.m. on November 13. An unknown armed suspect approached a 36-year-old woman from Milwaukee and demanded her property. The victim fired several shots at the suspect and the suspect returned fire. The victim was not injured and the suspect fled. It is unknown if the suspect was injured and we are seeking him.