Empresas y finanzas
About 30 hurt after Northwest flight hits turbulence
Two people were seriously injured and about 30 slightly injured, the official said. There were no reports of deaths.
The Boeing 747-400 plane was carrying 408 passengers and 14 crew, a transport ministry official said.
Northwest Airlines, which merged last year with Delta Air Lines, was not immediately available for comment.
(Reporting by Yoko Nishikawa, Yoko Kubota)