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Japan rivers burst their banks triggering further floods, 25 missing

Floodwaters flow from the burst Kinugawa river into a residential area in Joso, Ibaraki Prefecture, on September 10, 2015. The Japanese city 50 km north east of Tokyo was flooded when the river burst its banks.
Jiji Press | AFP | Getty Images
Floodwaters flow from the burst Kinugawa river into a residential area in Joso, Ibaraki Prefecture, on September 10, 2015. The Japanese city 50 km north east of Tokyo was flooded when the river burst its banks.

Floods that swept houses off their foundations and crushed others under landslides spread across Japan on Friday as more rivers burst their banks, leaving at least 25 people missing and forcing more than 100,000 to flee.

A severe rain warning remained in effect for parts of northern Japan but floodwaters were retreating in the city of Joso after toppling trees and washing houses away, sometimes with their owners still inside.

One 63-year-old woman was killed after her house was crushed by a landslide and another when her car was swept away. At least 27 people were injured, eight seriously.

Two eight-year-old children were believed to be among the missing, NHK national television said.

Helicopters crisscrossed skies over the largely rural city of Osaki, some 350 km (220 miles) north of Tokyo, where the brown waters of the Shibui river inundated rice fields and houses as rescuers in rubber boats ferried people to safety.

Some parts of Japan had received more than twice the usual September amount of rain in 48 hours by noon on Thursday, sparking some of the worst flooding in more than 60 years.

Japan has put heavy emphasis on disaster prevention since a 2011 earthquake and tsunami killed nearly 20,000 people and authorities are keen to avoid the kind of criticism they faced then for what was seen as a sluggish response.

The government set up an emergency centre, and Prime Minister Shinzo Abe told a meeting of ministers that the "unprecedented" rain had created an emergency.

"The central government, police, fire officials and military are all working as one," chief cabinet secretary Yoshihide Suga told a news conference.

Read MoreJapan evacuates 100,000 in floods sparked by rare torrential rains

"We are doing everything in our power to rescue those in need as soon as possible."

Some 51 helicopters and nearly 6,000 rescuers worked into the night on Thursday to pluck stranded people from houses as floodwaters raged below. More than 100 were temporarily trapped on the second floor of a shopping centre in Joso.

Toyota Motor said it had suspended production at three plants in northeastern Japan on Friday morning, but that there had been no damage at any of the facilities. A spokeswoman said they would make a decision at noon on whether to resume production from Friday evening.