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.

Japanese PM Ishiba's coalition lost its upper house majority, compounding earlier lower house losses. The right-wing Sanseito party gained traction with its

SINGAPORE (Reuters) - Japan's ruling coalition possibly lost its majority in the upper house, exit polls showed after Sunday's election, potentially heralding political and market turmoil as a deadline looms on tariff negotiations with the United States.