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.

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.

The governing coalition of Prime Minister Shigeru Ishiba is likely to lose a majority in the smaller of Japan's two parliamentary houses in a key election Sunday, according to exit polls, worsening the country's political instability.