( CNN ) -- An American Airlines plane en route from Seoul , South Korea to Dallas-Fort Worth , Texas diverted to Narita , Japan , Tuesday after several passengers and crew were injured by turbulence during the flight . American Flight 280 departed Incheon International Airport near Seoul in route to Dallas-Fort Worth when an intense winter storm shook the cabin and caused injuries that forced the aircraft to divert . Medical personnel have been able to evaluate the 14 passengers and crew members who asked for medical attention , said American spokeswoman Andrea Huguely in statement . What is turbulence ? `` Four passengers and one crew member have been transported to local hospitals for further observation and treatment , '' she wrote . None of the injuries were life threatening . The flight will not continue on to Dallas-Fort Worth on Tuesday , Huguely said . `` Passengers have been transported to hotels and will continue their travel to DFW tomorrow ( Wednesday ) , '' she wrote . `` Our team in Tokyo will continue to provide all necessary support to take care of our passengers and crew . '' American Airlines said the plane is a Boeing 777 carrying 240 passengers and a crew of 15 . The Weather Channel reports that an intense winter storm is developing over Japan , with blizzard warnings in northern and western sections of the country . `` Note there is a very strong storm , similar to a Nor'easter , just east of Japan which is causing severe turbulence in the region , '' said Brandon Miller , Senior Meteorologist for CNN International . . CNN 's Shawn Nottingham contributed to this report .
American 777 was heading from Dallas to Japan /Fort Worth . Turbulence caused injuries and forced the plane to divert . The aircraft made an emergency landing in Dallas .