More than 100,000 flee floods in Japan after 'once-in-50-years' rain

A man wades through a local shopping area flooded by the Kinugawa river, caused by typhoon Etau in Joso, Ibaraki prefecture, Japan, September 10, 2015. REUTERS/Issei Kato

JOSO, Japan (Reuters) - Unprecedented rain in Japan unleashed heavy floods on Friday that tore houses from their foundations, uprooted trees and forced more than 100,000 people from their homes.

Helicopters hovering over swirling, muddy waters rescued many people from the roofs of their homes. Seven people were missing and at least 17 were injured, one seriously.