Prime Minister Shinzo Abe on Thursday urged opposition leader Renho to disclose a copy of her family registry to prove the legality of her status under a nationality law, adding fresh fuel to the flames of her dual passport controversy.
Abe's comment is the latest in a litany of attacks by conservative lawmakers on the Democratic Party president during the ongoing extraordinary Diet session.
Renho, who is half-Taiwanese and half-Japanese, revealed in September that she had inadvertently retained her Taiwanese nationality for about 30 years after obtaining Japanese citizenship at the age of 17 in 1985.