Japan’s prime minister resigns

Japanese Prime Minister Shigeru Ishiba said on Sunday he had decided to resign, ushering in a potentially lengthy period of policy paralysis at a shaky moment for the world’s fourth-largest economy.

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Mr. Ishiba, 68, instructed his Liberal Democratic Party (LDP) — which has governed Japan for almost all of the postwar era — to hold an emergency leadership race, he told a press conference, adding he would continue his duties until his successor was elected.

Since coming to power less than a year ago, Mr. Ishiba has overseen his ruling coalition lose its majorities in elections for both houses of parliament amid voter anger over rising living costs.

Until Sunday, he had refused calls to step down following the latest of those losses in July’s upper house vote. He had focused instead on ironing out details of a trade deal with the United States on President Donald J. Trump’s tariffs, which have roiled Japan’s critical automotive industry and cast a shadow over weak growth.