Milwaukee Police are investigating a double shooting that happened around 6:55 p.m. on November 10 in the 5700 block of W. Fond du Lac Avenue. Two male victims were shot while sitting in a vehicle in traffic. While stopped at an intersection, shots were fired from another vehicle. The 18-year-old driver sustained serious injuries. The 20-year-old passenger suffered non-life-threatening injuries. Officers and detectives are working to develop a motive and suspects.