From Prince William poilce: 

Malicious Wounding | Shooting Investigation – On October 4 at 10:49PM, officers responded to the 3800 block of Graham Park Rd in the Town of Dumfries (22026) to investigate a shooting. The investigation revealed that the victim, a 16-year-old male juvenile of Stafford, was walking in the above area with a friend when they were approached by an unknown male brandishing a handgun. During the encounter, the suspect assaulted both of the juveniles and a struggle ensued. At some point, the victim was shot in the arm by the suspect who then fled the area on foot. A police K-9 was used to search for the suspect who was not located. The victim was flown to an area hospital with serious but non-life threatening injuries. The investigation continues.