>>> welcome to nhk "newsline." i'm yoshi ogasawara. we begin in southwestern japan where emergency crews are searching for survivors and assessing the damage after days of torrential rain. the extreme weather has left more than 50 people dead and about a dozen others missing. weather officials have switched a heavy rain emergency warning, issusued for three prefectureseo a warning. a major river over lowed in the city of heat that a. woman in her 70s is missing after her home was washed away. more flooding is expected in several cities along the river. they're racing to rescue elderly residents. hundreds of people have been calling for help along a river where houses have been submerged. >> it was scary. the water was up to my neck