Cars crushed after building under construction collapses in Mount Vernon

Cars crushed after building under construction collapses in Mount VernonMarcus Solis reports from Mount Vernon with details on the collapse. Marcus Solis reports from Mount Vernon with details on the collapse. Marcus Solis reports from Mount Vernon with details on the collapse. Marcus Solis reports from Mount Vernon with details on the collapse. MOUNT VERNON, Westchester County (WABC) -- A vacant three-story building collapsed in Mount Vernon on Thursday morning, crushing parked cars along the street.