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.

Exit polls from a key election in Japan project the ruling coalition is set to lose its majority, putting the country's Prime Minister Shigeru Ishiba under immense political pressure. Voters headed to the polls earlier on Sunday for the tightly-contested election, being held amid public frustration over rising prices and the threat of US tariffs.

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