The mayor of Darby Borough was hospitalized after he was injured in a hit-and-run crash on Tuesday night, officials said. WATCH HERE WATCH HEREThe vehicle that Darby Mayor Joar Dahn, 29, was in was going northbound on Wister Street when it was hit by another car, police said. According to Dahn, the other driver rain a stop sign and hit his car before driving away from the scene. The front-end bumper of Mayor Dahn's car was damaged in the crash, police reported. Dahn is the youngest mayor ever elected in Darby Borough.