Pope Leo condemns Trump’s Iran threat, urges return to peace talks

Pope Leo XIV sharpened his rebuke of Donald Trump’s threat against the entire Iranian people on Tuesday, calling it “truly unacceptable” and warning that attacks on civilian infrastructure violate international law. Speaking to journalists as he left Villa Barberini in Castel Gandolfo, the pope framed the conflict as a moral test as well as a diplomatic one.

Leo pressed people of good will to contact political leaders and congressional representatives and demand a turn away from war. He urged a return to the negotiating table, warning that the fighting was escalating and resolving nothing. The message was notable not only for its tone, but for its target: a public challenge to Washington’s war rhetoric and a direct appeal into the American political system.

The condemnation built on Leo’s Easter Sunday message, in which he urged world leaders to lay down weapons and choose dialogue. It also came after he announced a prayer vigil for peace at St. Peter’s Basilica on April 11, a sign that the Vatican was preparing to turn its appeal into a sustained campaign rather than a one-day statement.

At that vigil, Leo escalated further. He denounced the “madness of war,” warned against the “delusion of omnipotence” driving the conflict, and repeated, “Enough of war!” He appealed for dialogue and mediation instead of rearmament, underscoring the Vatican’s longstanding role as a moral broker when major powers move closer to open confrontation.

The April 11 vigil also carried symbolic weight. Vatican News said it used the Lamp of Peace from Assisi and included prayer and meditations tied to conflict zones around the world, linking the situation in Iran to a broader international warning. As U.S. and Iranian officials began talks the same day, Leo’s intervention landed as both a rebuke and an attempt to widen the pressure for de-escalation.

For the Holy See, the moment reflected the limits and reach of papal power. The Vatican cannot compel ceasefire terms, but it can shape public opinion, elevate the political cost of escalation and signal that the conflict has crossed a moral line. In this case, Leo used every available platform, from Easter liturgy to a public prayer vigil, to argue that peace talks remain the only credible path.