On Friday, U.S. Secretary of State Marco Rubio disclosed that during his meeting with Pope Leo XIV at the Vatican, he alerted the pontiff to the peril posed by Iran to the global community. Rubio characterized the meeting as "significantly cordial and important."
Rubio shared these insights from the U.S. Embassy in Rome, following his Thursday audience with Pope Leo XIV in the private library of the Vatican's Apostolic Palace. The discussion spanned from 11:15 to 11:30 a.m. local time.
Discussing Global Security Concerns
"I conveyed the situation concerning Iran, shared our perspective on its importance, and the well-recognized threat Iran poses globally," Rubio stated to reporters on Friday.
The Secretary emphasized the Pope's role as a spiritual guide: "The Holy Father is foremost a spiritual leader, which is his primary role. The Church has consistently operated with a mission of peace and respect for all humanity."
Importance of Diplomatic Dialogue
Rubio described the engagement as "very positive," underscoring the necessity of dialogue: "Ultimately, it was a very cordial and important meeting, crucial for sharing our viewpoints and explaining our perspectives."
This meeting was Rubio's second interaction with Leo XIV, the first of which occurred on May 19, 2025. According to a State Department official, the discussions were "friendly and constructive," covering Middle Eastern issues and mutual interests in the Western Hemisphere. Notably, Rubio proposed distributing humanitarian aid to Cuba through the Catholic Church.
Diplomatic Tensions and Controversies
The meeting took place amid strained relations between Washington and the Vatican, heightened by Operation Epic Fury, a joint U.S.-Israel strike on Iranian nuclear facilities on February 28, 2026.
Pope Leo XIV condemned the strike as "unjust, unprovoked, immoral, and illegal" under the Catholic just war doctrine, prompting an escalation of attacks from President Donald Trump towards the pontiff.
On April 13, 2026, Trump harshly criticized the Pope on Truth Social, labeling him as "weak on crime" and "terrible on foreign policy," even questioning his legitimacy as the Pope.
Trump also repeatedly accused the Pope of tacitly supporting Iran's nuclear ambitions, an accusation Leo XIV categorically denied on May 6: "The Church has spoken against all nuclear weapons for years, leaving no room for doubt."
The International Atomic Energy Agency (IAEA) confirmed in March 2026 that Iran possessed enough 60% enriched uranium to construct approximately nine nuclear bombs, reinforcing Rubio's central argument to the pontiff during their meeting.
The Vatican's Press Office described the encounter as an exchange of views on regional and international situations, "with particular focus on countries affected by wars, political tensions, and challenging humanitarian conditions, emphasizing the need for relentless efforts to promote peace."
Understanding the Impact of Iran's Nuclear Capabilities
Why did Marco Rubio meet with Pope Leo XIV?
Marco Rubio met with Pope Leo XIV to discuss the dangers Iran poses to global security and to share the United States' perspective on the matter.
What was Operation Epic Fury?
Operation Epic Fury was a joint military operation by the United States and Israel targeting Iranian nuclear facilities, conducted on February 28, 2026.
How did Pope Leo XIV react to Operation Epic Fury?
Pope Leo XIV condemned Operation Epic Fury as "unjust, unprovoked, immoral, and illegal" according to the Catholic doctrine of just war.
What stance has the Church taken on nuclear weapons?
The Church has long opposed all nuclear weapons, maintaining a consistent stance against their development and use.