Five foreigners were detained and their foreign-registered aircraft impounded after it landed in the Thai capital today with tons of war weaponry on board that originated in North Korea, Thai media quoted officials as saying.

Air Force spokesman Capt. Montol Suchookorn said the chartered cargo plane originated in North Korea's capital Pyongyang and requested to land at Bangkok's Don Muang airport to refuel, according to the Bangkok Post website. The newspaper quoted officials as saying the aircraft carried rocket-propelled grenades and other battlefield weapons.

The Nation newspaper website quoted government spokesman Panithan Wattanayakorn as saying authorities were investigating the five men, reportedly from Belarus. He declined to say where the aircraft originated or where it was headed.

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