Japan on Friday issued the most serious level 5 risk alerts in the western prefecture of Hiroshima, citing unprecedented rains in the region and imminent risk of floods and other disasters, writes Reuters.

Japan Meteorological Agency (JMA) issued the warning, warning of possible flooding, swollen rivers and mudslides.

JMA added in a statement that the rain front could stay over the country for about a week.

Heavy rain struck western and southwestern Japan on Friday, leaving one person dead and at least two others missing.

According to JMA, the amount of rainfall in Unzen and Shimabara reached record high. In Amakusa, Kumamoto Prefecture, record downpour was also logged in the same period.