Japan’s 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.

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

TOKYO — Exit polls show Prime Minister Shigeru Ishiba ‘s ruling coalition is likely to lose a majority in the smaller of Japan’s two parliamentary houses in a key election Sunday, worsening the country’s political instability.