Iran said Monday it would not negotiate under "intimidation", after US President Donald Trump sought to ratchet up pressure on Tehran by ending a sanctions waiver that had allowed Iraq to buy electricity from its Shiite neighbour.

Supreme Leader Ayatollah Ali Khamenei said Iran will not be bullied into negotiations, a day after President Donald Trump said he sent a letter urging Tehran to negotiate.

Donald Trump said in an interview with Fox Business that he had written a letter to Leader of the Islamic Revolution Ayatollah Seyyed Ali Khamenei, asking that negotiations be reopened.

Khamenei did not identify the United States by name but said a “bullying government” was being persistent in its push for talks.

Keith Kellogg warns of a growing security threat from a deepening alliance between Tehran, Moscow, Beijing and Pyongyang.

Ayatollah Ali Khamenei speaks under a portrait of the late revolutionary founder Ayatollah Khomeini, as armed forces commander slisten, at rear, in a ceremony meeting a group of officials, in Tehran, Iran, Saturday, March 8, 2025. (Office of the Iranian Supreme Leader via AP)

Iran’s Supreme Leader Ayatollah Ali Khamenei says he rejects a U.S. push for talks between the two countries because they would be aimed at imposing restrictions on Iranian missile range and its regio