Mohsen Rezaei, Secretary of Iran’s Supreme National Security Council, issued a stark warning to the United States, stating any provocative actions could unleash a "historic calamity." The statement was made during a visit by Qatari mediators to Iran. While the specific provocation wasn't detailed, it comes amidst heightened tensions between Washington and Tehran, particularly concerning Iran’s nuclear program. Rezaei’s comments indicate a strong stance against perceived threats from the US. Qatar is actively engaged in efforts to de-escalate the situation and facilitate dialogue. This warning underscores the potential for severe consequences if diplomatic efforts fail to address the current impasse. The visit from Qatar signals continued attempts to mediate between the two nations and avoid further escalation.