Japanese Prime Minister Shigeru Ishiba, under growing pressure to step down over the historic loss of his ruling party in a weekend election, says he will decide on whether to resign after closely studying the tariff deal just struck with the United States.

TOKYO (Reuters) -Japanese Prime Minister Shigeru Ishiba is planning to decide on his future after assessing progress in tariff negotiations with the United States, Yomiuri newspaper reported on Wednesday.

Japanese Prime Minister Shigeru Ishiba said Monday he will stay in office to tackle challenges such as rising prices and high U.S. tariffs after a weekend election defeat left his coalition with a minority in both parliamentary chambers and triggered calls for his resignation.