TOKYO: A low-pressure system and strong typhoon Bualoi brought torrential rain in Chiba Prefecture on Friday, with ten people confirmed dead in the eastern Japan prefecture.

One person remained unaccounted for in Fukushima.

Landslide warnings were issued in most areas in Chiba and some areas in Miyagi, Yamagata and Fukushima prefectures in the Tohoku northeastern region and the eastern prefecture of Ibaraki, adjacent to Chiba. The Japan Meteorological Agency warned residents of flooding of rivers and inundation of low-lying areas, urging them to take action to ensure safety.

According to the Chiba prefectural government, flooding occurred at seven locations at seven rivers in the prefecture, including the Otsu River in the city of Kashiwa and the Miyako River in Wakaba Ward in the city of Chiba, the capital of the prefecture. In Fukushima, a river in the city of Iwaki overflowed.

According to sources including the Chiba prefectural police department, houses collapsed due to landslides at two locations in Midori Ward in the city of Chiba, killing a woman in her 60s and a man. Another person is unaccounted for.

In the town of Nagara in Chiba Prefecture, a car carrying a man in his 80s was washed away by an overflowing river, and the man was confirmed dead later. In the town of Chonan in the same prefecture, a man in his 80s was found dead near a light truck on a flooded road.

Evacuation orders and advisories were issued in Chiba Prefecture and other areas in the Kanto eastern region and Tohoku.

The low-pressure system traveled north near Kanto on Friday night. In Tohoku, rainfall of up to 150 millimeters is forecast in the 24 hours to 6 p.m. Saturday (9 a.m. GMT).

Residents in areas where levees were damaged by torrential rains from Typhoon Hagibis earlier this month were put on high alert for flooding that could happen due to even relatively small amounts of rain.

The city of Kamogawa in Chiba Prefecture had rainfall of 85.5 millimeters in the hour until after 10:15 a.m. Friday, a record high there since observation began. In areas near the city of Chiba and the city of Yachimata in the prefecture, one-hour rainfall until 1:30 p.m. reached about 100 millimeters.

Bualoi, the 21st typhoon of this year, turned into an extratropical cyclone at 9 p.m. Friday.

The heavy rains disrupted transport services in Chiba Prefecture and other areas, affecting commuters and other travelers.

According to East Japan Railway Co., or JR East, operations of the Narita Express trains linking major stations in the Tokyo metropolitan area and Narita International Airport in the city of Narita in Chiba Prefecture were suspended all day on Friday.

Services were halted throughout the day also on some sections of JR East's Sobu Main Line, Narita Line, Uchibo Line and Sotobo Line. Tracks at Sakura Station in Chiba Prefecture were flooded.

Keisei Electric Railway Co. temporarily suspended services on the section between Keisei-Sakura Station and Sogosanto Station in the prefecture.

All Nippon Airways canceled six domestic flights to and from the Narita airport as of 6 p.m. Friday, affecting some 600 people. Japan Airlines canceled four flights arriving at and departing from the airport.

JIJI PRESS