U.S. 10-year yield flashes possible warning: Dallas Fed's Kaplan

"That is not a sign of easy financial conditions," he said of the benchmark U.S. yield which has fallen nearly 10 basis points so far this year.

"That may be a sign of worry about future growth," Kaplan told reporters after participating on a panel with New York Fed President William Dudley about regional economic trends sponsored by Hearst and Partnership for New York City.

(Reporting by Richard Leong; Editing by Chizu Nomiyama)