Palestinian authorities said a grave site discovered at the Nasser hospital, the main medical facility in central Gaza, contained nearly 400 bodies
A truck driver was killed when his vehicle skidded and hit a car in Ontake in Hiroshima prefecture, Japan Times reported.
Movement of trains and flights was severely disrupted, particularly in Hokkaido and Tohoku as a low-pressure system developed near Hokkaido, the report said.
The Meteorological Agency said storms would continue through Thursday, especially in Hokkaido and other parts of northern Japan.
It warned of blizzards, tidal waves and avalanches.