Prime Minister Ishiba Shigeru and his Liberal Democratic Party were projected to lose their majority coalition government in Japan's Upper House of Parliament on Monday.

Japan’s shaky ruling coalition is likely to lose its majority in the upper house, exit polls showed after Sunday’s election, potentially heralding political turmoil as a tariff deadline with the United States looms.

Japanese Prime Minister Shigeru Ishiba’s ruling coalition failed to secure a majority in the 248-seat upper house in a crucial parliamentary election, Japan’s NHK public television said Monday.