As Prime Minister Benjamin Netanyahu headed toward Argentina overnight Monday, posters depicting him as Nazi leader Adolf Hitler and declaring him wanted for genocide against the Palestinians appeared in the capital, Buenos Aires.

Local reports said the posters were put up by pro-Palestinian activists ahead of Netanyahu’s four-day visit to Latin America, beginning Monday in Argentina. It is the first visit by a serving Israeli prime minister to Latin America.

One poster showed Netanyahu with Hitler’s signature mustache and undercut, wearing a uniform reminiscent of the Nazi wartime SS units. The poster carried the Spanish slogan “Zionists out of Palestine, Netanyahu out.”

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Another sign was designed to look like a wanted poster complete with head-on and side-view mugshots of Netanyahu. It declared the Israeli leader is “wanted for human rights crimes and genocide of the Palestinian people.”

Before departing on Sunday evening Netanyahu declared the visit, which will take him to Argentina, Mexico, and Colombia, as “historic.”

Speaking to reporters before boarding the flight to Buenos Aires, the prime minister confirmed that he will also be meeting with US President Donald Trump after departing Latin America for the US.

“I looking forward to my meeting with President Trump, my friend, in the United States, in New York,” he said.

Netanyahu and his entourage — which includes a delegation of businesspeople — were set to arrive in Buenos Aires on Monday following a stopover in Madrid along the way. There he was due to attend ceremonies to commemorate two terror attacks in the early 1990s that targeted local Jews and Israeli diplomats.

On Tuesday, Netanyahu is scheduled to lay a wreath at the Monument to General San Martín and the Armies of Independence before heading to a meeting with President Mauricio Macri. During their meeting, Israel and Argentina will sign a series of agreements on public security, customs and social insurance as well as an archives agreement regarding the Holocaust, according to the PMO.

After the two leaders address the press, they will be joined by President of Paraguay Horacio Cartes for lunch, before Netanyahu is set to headline an economic forum for Argentine and Israeli businessmen.

On Wednesday morning, the prime minister’s delegation will fly seven hours from Buenos Aires to Bogota, for a whirlwind visit to meet with Colombian President Juan Manuel Santos, sign bilateral agreements on science and tourism cooperation, and visit the local Jewish community.

Later in the day, Netanyahu will make his way to Mexico for a meeting with Mexican President Enrique Pena Nieto, during which Mexico and Israel will sign joint agreements on space, aviation, communications and development cooperation. In Mexico City, too, the prime minister will address a forum to encourage bilateral trade and attend an event organized by the local Jewish community.

Raphael Ahren contributed to this report.