NEW: A young mother of two, Megan Washburn, is among those missing after a UPS cargo plane crashed in Louisville, Kentucky, according to her employer. www.nbcnews.com/news/us-news...

Young mother among those missing after UPS plane crashMegan Washburn, an employee of Grade A Auto Parts, has been missing since the crash on Tuesday, according to the business's owner Sean Garber.www.nbcnews.com