Iran Official Warns of 90% Uranium Enrichment if Attacked

A senior Iranian parliamentary official warned Tuesday that Tehran could enrich uranium to 90 percent purity, considered weapons-grade, if the country faces another attack, as a fragile ceasefire with the United States shows signs of strain.

Ebrahim Rezaei, spokesman for Iran's parliamentary National Security and Foreign Policy Committee, posted on X that "one of Iran's options in the event of another attack could be 90 percent enrichment. We will review it in the parliament." The statement came one day after U.S. President Donald Trump described the ceasefire as on "life support," following his dismissal of an Iranian proposal as "totally unacceptable."

The warning underscores deep divisions in negotiations to end the conflict, which erupted on February 28 when U.S. and Israeli forces struck Iranian nuclear and military sites. After about 40 days of fighting, a truce took effect on April 8 through Pakistani mediation and U.S. involvement. Talks in Islamabad that month produced no agreement, and recent exchanges of proposals have stalled, with nuclear issues at the center.

The United States insists Iran transfer its stockpile of roughly 400 kilograms of uranium enriched to 60...