TOKYO (AP) — Prime Minister Shigeru Ishiba on Wednesday vowed to remain in power to oversee the implementation of a new Japan-U.S. tariff agreement, despite media speculation and growing calls for him to resign after a historic defeat of his governing party.

Prime Minister Shigeru Ishiba is under increasing pressure to bow out after his party and junior coalition partner Komeito lost their majority in Sunday's election.

Japanese Prime Minister Shigeru Ishiba denied reports he plans to announce his resignation over a historic defeat of his ruling party in a weekend election.