TOKYO >> Japan’s incoming prime minister, Shigeru Ishiba, said he wanted to clean up his ruling party, revitalize the economy and see off security threats from powerful neighbors after triumphing in his fifth and what he called final leadership bid on Friday.

Japan’s governing party has picked former Defense Minister Shigeru Ishiba as its leader, setting him up to become prime minister next week.

Japan's next prime minister Shigeru Ishiba says he reads three books a day and would rather do that than mingle with the ruling party colleagues who picked him as their new leader on Friday.