Record rainfall in Japan has led to the deaths of dozens with many more missing.
CGTN's Toby Muse explains, authorities warn landslides can strike even after the rain subsides.
"The record rainfalls in various parts of the country have caused rivers to burst their banks, and triggered large scale floods and landslides in several areas", Cabinet Secretary Yoshihide Suga said Sunday.
Some 30,000 people remained in shelters on Sunday, while the evacuation orders and advisories were issued for almost 6 million people, according to the Fire and Disaster Management Agency.
At least 38 people have died, four people are said to be in a serious condition and another 47 remain missing, the public broadcaster NHK reported.
Nearly 2 million people were still subject to evacuation orders, while tens of thousands of rescue workers battled mud, water and rubble to search for survivors stranded in their homes.
Some Hiroshima residents compared it to a similar crisis that resulted in 2014 when heavy rain caused landslides that killed 77 people.
Rescue workers are seen next to houses damaged by a landslide following heavy rain in Hiroshima, Japan, in this photo taken by Kyodo July 7, 2018.
On Sunday, the prime minister, Shinzo Abe, said efforts to locate those still stranded had turned into a "race against time". 'The rescue teams are doing their utmost'.
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There have been no reported South African casualties among the at least 48 people who have been killed by flash floods and landslides in Japan following torrential downpours which started on Thursday.
The agency is also maintaining the same warning that has been issued to Gifu Prefecture.
TV footage showed crews in military trucks delivering emergency water supplies to areas where water infrastructure was down, while troops in boats helped people and pets safely reach dry land.
More than two million people have been ordered to evacuate their homes.
Some people perched on rooftops called for help and others clung to trees while waiting to be rescued.
A couple was found dead in a farmhouse buried in a mudslide in Kagoshima prefecture Monday, while earlier a woman who was reported as missing after getting trapped in her vehicle was found dead, Kyodo news service reported.
Several dozen Mihara residents ventured down from shelters on Sunday to inspect the damage to their homes in the Hongo district of the city, where many locals are rice farmers.
Throughout the hard hit areas, rivers swelled and parked cars sat in pools of water.
Also in Ehime, two primary school girls and their mother who got sucked into a mudslide were rescued but their hearts were not beating, a report said.