PHOTO: Residents gather by a bridge to look at cars left crumpled in one of the tributaries of the Patapsco River that burst its banks as it channeled through historic Main Street in Ellicott City, Md., May 28, 2018. Missing National Guardsman was trying to rescue woman when swept away in floodwaters: 'He's a hero' Missing National Guardsman was trying to rescue woman when swept away in floodwaters: &amp;#8216;He&amp;#8217;s a hero&amp;#8217; flooding 2 ap er 180529 hpMain 4x3 992