GOP Rep. Mario Diez-Balart slammed Colombian President Gustavo Petro for "supporting those who want to eliminate the state of Israel" and recalling that he was member of the M-19 guerrilla from the 1970s until it demobilized. Petro made the claim in the context of a protest in New York City, in which he took part along with musician Roger Waters. Petro said he would begin an inscription process for volunteers with military experience in the country, and he is willing to go there himself. "If the Colombian President, like Bolivar before, like Argentina's Ernesto Guevara, has to go to the battlefield in a foreign country to defend humanity, I'm willing to go," he said. The U.S. State Department quickly reacted, saying Petro's visa would be revoked "due to his reckless and incendiary actions."