Tehran, June 23 -- Iran's chief negotiator and Parliament Speaker Mohammad Baqer Qalibaf has revealed details of the recent negotiations with the United States in Switzerland, saying the Iranian delegation withdrew from the talks after what it described as threatening remarks by US President Donald Trump.

Speaking to Iranian media upon returning from Switzerland, Qalibaf said Tehran considered Trump's statements regarding the Iranian president, the negotiating team and possible military action against Iran to be inconsistent with the agreed principles governing the dialogue process.

According to Qalibaf, the Iranian delegation informed US Vice President JD Vance that the negotiations were taking place under a signed understanding that r...