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VATICAN CITY - The US State Department underlined its "strong relationship" with the Vatican on Thursday after talks between top diplomat Marco Rubio and Pope Leo XIV, following Donald Trump's astonishing attack on the first US pontiff.
"The conversations today were friendly and constructive," a State Department official told AFP following the US secretary of state's private audience at the Vatican.
Rubio's visit came after US President Trump accused Leo, the head of the world's 1.4 billion Catholics, of being "weak on crime and terrible for foreign policy" after he made critical comments about the Middle East war.
After the talks, US State Department spokesman Tommy Pigott said Leo and Rubio discussed the Middle East as well as their mutual interests in the Western Hemisphere -- a phrase used by the US to refer to Latin America.
"The meeting underscored the strong relationship between the United States and the Holy See and their shared commitment to promoting peace and human dignity," he said.
Rubio also met with Vatican Secretary of State Pietro Parolin, with whom he discussed subjects including religious freedom, according to Pigott.
The Vatican said the "cordial" discussions had addressed global conflicts and humanitarian issues, "as well as the need to work tirelessly for peace".
Rubio, the pope and Parolin also expressed a "shared commitment to cultivate good bilateral relations", the Holy See said in a statement.
Leo gave Rubio a pen made of olive wood, noting that "the olive tree is a plant of peace".
Among the US gifts for the 70-year-old pontiff, a notable sports fan, was a small crystal American football.

Pope Leo XIV during a private audience with US Secretary of State Marco Rubio in The Vatican on May 7, 2026. (AFP/The Vatican Media)
The Trump administration had celebrated the election one year ago -- May 8, 2025 -- of Leo, the first US pontiff in history.
But its relations with the Holy See have since sharply deteriorated.
Trump's unprecedented attack came after Leo called for peace in the Middle East war launched by Israel and the United States.
The pontiff condemned a threat by Trump to destroy Iranian civilisation as "truly unacceptable".
Before leaving for Rome, Rubio said the trip had been planned before the clash, adding: "There's a lot to talk about with the Vatican."
On Thursday, a US source hailed the welcome extended to Rubio, saying it "exceeded expectations".