TOKYO, May 19 (AFP) - A US-bound Delta Air Lines flight turned back to Japan early this week after two passengers locked themselves inside a bathroom with a container of suspicious liquid, airport officials said Wednesday.
The pilot of the Boeing 747-400 with 407 passengers and crew bound for Minneapolis turned around late Monday about three hours into the flight from Tokyo's Narita airport after crew found the two men who refused to leave the cabin bathroom.
Reports said the pair, who identified themselves as Chinese citizens aged in their 20s, had boarded the flight during an earlier stop in Shanghai.
Japanese immigration officials were questioning the men, who said they did not have passports.
The one litre (around two pint) container of liquid held by one of the passengers was later found to be neither toxic nor explosive, airport police said.