A an air force officer on the entourage of a president was caught with 39 kg of cocaine.
The officer has been arrested and detained.
Brazilian President Jair Bolsonaro was on his way G20 when a member of his team stashed the illicit substance on the plane..
The officer was detained in Seville, Spain, when the back-up plane travelling to Osaka made a stop-over, a statement released by the Brazilian defence ministry said.
He said: “I immediately ordered the defence minister to cooperate with Spanish police to establish the facts and cooperate with every stage of the investigation, and to launch an investigation by the military police.