Inside a crate sits a fighter jet seized from a ship bound for North Korea.<br/> <br />Authorities in Panama have now uncovered two supersonic planes among arms from Cuba found hidden in the shipment.<br/> <br />The jets are believed to have been produced in the 1950s by the Soviet Union.<br/> <br />They're among radar systems and surface-to-air missiles also discovered under thousands of sacks of sugar.<br/> <br />Panama's President Ricardo Martinelli toured the shipment as officials said the U.N. are set to investigate the cargo.<br/> <br />Cuba says the arms are "obsolete" and were being sent to North Korea for repair.<br/> <br />But authorities in Panama fear the shipment breaches an arms embargo.<br/> <br />The crew of the North Korean ship have been charged with attempting to smuggle undeclared weapons.
