Japan's ruling coalition has lost its majority in the country's upper house, but Prime Minister Shigeru Ishiba has said he has no plans to quit.

Japanese Prime Minister Shigeru Ishiba’s ruling coalition failed Monday to secure a majority in the 248-seat upper house in a crucial parliamentary election, NHK public television said. Ishiba’s Liberal Democratic Party and its junior coalition partner Komeito needed to win 50 seats on top of the 75 seats they already have to retain their majority.

The ruling LDP has only been able to remain in office as a minority government as a result of the deep divisions among the opposition parties—between the far-right and the nominally liberal parties.