Milwaukee Police are investigating a serious hit and run accident with a pedestrian struck in the area of Grantosa Drive and Fond du Lac Avenue on Thursday, July 19th at approximately 1:30am. A vehicle driving by the area observed the pedestrian on the roadway and called police. That citizen waited for the police to arrive. The victim is a male in his 30s with serious injuries and has been conveyed to a local hospital for treatment. The department’s crash reconstruction unit is investigating and police are searching for the person or persons involved.