Japanese sisters certified as world’s oldest twins at 107By MARI YAMAGUCHI (Associated Press)TOKYO Sept. 21, 2021 2:21 p.m.Guinness World Records has certified two Japanese sisters as the world’s oldest living identical twins at 107📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up