ROME — U.S. Secretary of State Marco Rubio urged European allies Friday to move beyond rhetoric and take concrete action against Iran, even as he sought to repair strained ties with Italy and the Vatican during a two-day visit following tensions over the U.S.-Israeli war in Iran.
Speaking after meetings with Premier Giorgia Meloni and Foreign Minister Antonio Tajani, Rubio warned that Tehran was attempting to assert control over the strategic Strait of Hormuz, calling the move “unacceptable” and a threat to global security.
“Everybody says Iran is a threat. Everybody says that Iran can’t have a nuclear weapon … but you’ve got to do something about it,” Rubio told reporters in Rome. “If the answer is no … then you better have something more than just strongly worded statements to back it up.”
Clear ‘red line’
Rubio said Iran was trying to normalize control over an international waterway, a precedent he warned could encourage similar actions elsewhere. He also cautioned Tehran against targeting U.S. maritime assets, saying the United States had thwarted attacks on three Navy ships in the strait.
“The red line is clear. They threaten Americans, they are going to be blown up,” he said.
Rubio said Washington was pursuing a diplomatic track, including a proposed U.N. Security Council resolution aimed at preserving freedom of navigation. He added the U.S. was awaiting Iran’s response on Friday to ongoing diplomatic efforts.
Rubio’s visit comes after weeks of sharp disagreements between Washington and Rome over the Iran war, tariffs and President Trump’s criticism of both Meloni and Pope Leo XIV.
Differences remain over Iran war
Meloni described her meeting with Rubio as “constructive, frank and productive,” focused on both bilateral relations and major international issues. She said the talks covered strategic topics, including the Middle East, freedom of navigation in the Strait of Hormuz, Ukraine, China and areas of Italian interest such as Libya and Lebanon.
“We both understand how important the trans-Atlantic relationship is, but we also understand that each country must defend its own national interests,” Meloni stressed after the meeting.
Tajani struck a more conciliatory tone after meeting his U.S. counterpart, reaffirming the importance of the trans-Atlantic alliance.
“I am convinced Europe needs America — Italy needs America — and the United States also needs Europe and Italy,” Tajani said, adding he hoped “tensions have been calmed.”
He said discussions covered the Iran conflict and its spillover into Lebanon, as well as Venezuela and Cuba. The U.S. State Department said Rubio also raised the need to protect economic interests and end the war in Ukraine.
Despite the effort to ease tensions, differences remain over the Iran conflict. Italy has opposed the U.S.-Israeli bombing campaign, with Meloni calling it “illegal,” and has resisted involvement in offensive operations.
Tajani said Italy would be prepared to contribute naval forces to demine the Strait of Hormuz once a permanent ceasefire is reached, and would maintain its role in the U.N. peacekeeping mission in Lebanon. He also stressed the importance of continued U.S. troop presence in Europe amid concerns about possible reductions.
No final decision on NATO troops adjustments
Rubio said “no final decision” had been made on NATO troop adjustments, noting that any changes would depend on U.S. national interests and global priorities.
The U.S. has announced a decision to pull 5,000 military personnel from Germany and Trump has threatened to withdraw more troops from Italy and Spain over their stance on the war.
Italy, a key logistics hub for U.S. and allied operations in the Mediterranean and beyond, has already signaled limits to its cooperation. In March, it declined to allow U.S. bombers bound for the Middle East to use a base in Sicily without parliamentary approval, reflecting constitutional constraints and strong domestic opposition to the war.
Meloni, weakened by a recent referendum defeat and facing public unease over the conflict, has insisted that any use of Italian bases for offensive operations would require parliamentary backing.
The war has also raised economic concerns in Italy, with Meloni warning that disruptions in the Strait of Hormuz risk driving up energy costs and inflation, while U.S. tariff threats weigh on the country’s export-driven economy.
An attempt to de-escalate at the Vatican
Rubio also sought to ease tensions with the Vatican following Trump’s criticism of the pope’s calls for peace. After a lengthy meeting on Thursday with the pontiff and Vatican Secretary of State Cardinal Pietro Parolin, Rubio said Washington remained committed to a “productive and fruitful” relationship with the Catholic Church.
“The president’s perspective is clear. He thinks that Iran is a threat, and it needs to be addressed. And that position remains unchanged,” Rubio said.
Rubio confirmed that Cuba was also discussed at the Vatican, with Washington hoping the church’s Caritas charity organization would continue distributing humanitarian aid.
Rubio said the U.S. has provided about $6 million in humanitarian aid to Cuba, to be distributed through Caritas, should the Cubans allow it. He added Washington has also offered up to $100 million in additional aid, but the Cuban government has not accepted it so far. Rubio blamed Cuba’s government for blocking assistance and worsening conditions, describing it as “incompetent.”
U.S. officials said the Vatican talks underscored strong bilateral ties and a shared commitment to promoting peace, even as differences over the Iran war persist.
Zampano and Winfield write for the Associated Press.
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