In July 2000, Juan Carlos was the target of an enraged protester when former priest Juan María Fernández y Krohn, who had once attacked Pope John Paul II, breached security and attempted to approach the king [REF].
In November 2007, at the Ibero-American Summit in Santiago de Chile, during a heated exchange, Juan Carlos interrupted Venezuelan President Hugo Chávez, saying, "¿Por qué no te callas?" ("Why don't you shut up?").