A triumphant return to Argentina on Tuesday nearly turned disastrous for Lionel Messi and a couple of his other star teammates ... who were all almost thrown off the roof of a bus by a low-hanging street wire.
The scary moment happened as Messi and the Argentinian national team were taking laps around Buenos Aires to celebrate their World Cup title over France.
Messi -- sitting beside Leandro Paredes, Rodrigo De Paul, Angel Di Maria and Nicolas Otamendi -- didn't see a power line coming his bus' way .