Torrential rain and tornado-like winds are lashing large parts of Japan, as the country endures what could be its worst storm for 60 years.
The eye of Typhoon Hagibis made landfall on Japan's main island shortly before 19:00 local time (10:00 GMT), in Izu Peninsula, south-west of Tokyo.It is now moving up the eastern coast, with wind speeds of 225km/h (140mph).
One man was killed in Chiba, east of Tokyo, when his car overturned, and at least 60 people have been injured.
Prime Minister Shinzo Abe's Cabinet hosted a disaster management meeting Friday. He said 17,000 police and military forces were ready to be deployed to ensure the safety of citizens. "The typhoon could cause power outages, damage to infrastructure and significantly affect people's lives," Abe said.
The storm caused more than 1,660 flights to be cancelled, according to broadcaster NHK, while many train services, including high-speed bullet train services, were halted in eastern and central Japan, operators said.
Two Rugby World Cup games scheduled for Saturday were cancelled due to the expected impact of Hagibis, while the typhoon also affected the F1 Japanese Grand Prix this weekend at Suzuka.
More than seven million people have been urged to leave their homes amid severe flood and landslide warnings, but it's thought only 50,000 are staying in shelters.
Japan's Meteorological Agency (JMA) has warned that half a metre of rain could fall on the Tokyo area between midday on Saturday and Sunday.
"Unprecedented heavy rain has been seen in cities, towns and villages for which the emergency warning was issued," JMA forecaster Yasushi Kajiwara told a press briefing.
"The possibility is extremely high that disasters such as landslides and floods have already occurred. It is important to take action that can help save your lives.
Japan receives approximately 20 typhoons per year, but it is not so common for Tokyo to be affected.
The typhoon that hit the Tokyo area 61 years ago resulted in more than 1,000 deaths, as well as causing 500,000 houses to be flooded.