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At least 400 flights have been cancelled as Japan braces itself for two typhoons back-to-back. Japan Meteorological Agency (JMA) already issued flood and landslide alert after heavy rainfall in several parts of Japan.

According to the agency, Typhoon Mindulle, with wind speed up to 180Kph, is expected to make landfall on Monday afternoon. Currently, the storm is moving upwards at a speed of 25kph to the northern Tohoku region.

Japan is preparing itself for heavy rain, high waves, mudslides and gusty wind from this storm. The capital city is no exception. "In Tokyo... please exercise caution for landslides, flooding in low lying areas, surging rivers, violent wind and high waves," the weather agency said, according to AFP.

Meanwhile, another typhoon, Kompasu, which made landfall on Sunday evening have caused severe rain before it died down. By early Monday, the typhoon became a temperate depression and moved away into the Sea of Okhotsk, said the JMA.

Airline operators across the country cancelled at least 400 flights due to hostile weather conditions which affected around 21,000 passengers. Moreover, major train services in and around Tokyo, including bullet trains, have also been shut down, according to Japan Railway.

However, there has not been any immediate report of casualty or significant damage.