Mitch Smith Ann Hinga Klein and Leah McBride Mensching

Multiple people died in Greenfield, Iowa, population 2,000, where search and rescue efforts were continuing on Wednesday.

Multiple people died in Greenfield, Iowa, population 2,000, where search and rescue efforts were continuing on Wednesday.

Multiple people died in Greenfield, Iowa, population 2,000, where search and rescue efforts were continuing on Wednesday.