A man found unconscious in an overturned car in Chiba Prefecture, east of Tokyo, has died. Police believe his car may have been flung onto its side by violent gusts on Saturday morning.
Firefighting authorities say the incident occurred in Ichihara City.
The man, in his 40s, was rushed to hospital but pronounced dead shortly after.
Also on Saturday morning, residents of Chiba Prefecture reported powerful gusts that tore roofs off houses.
Three children were among five people from damaged homes who were transported to hospital. Police say their injuries are not life-threatening.