US on notice? Hours before Araghchi sits with Putin, Russia delivers direct warning to Trump on Iran

Mikhail Ulyanov, Russia’s permanent representative in Vienna, said the U.S. approach of negotiating from a position of strength does not work with Iran and urged Washington to drop what he described as blackmail, ultimatums and deadlines. His remarks fit Russia’s broader line that coercive diplomacy against Tehran has failed and that pressure is undermining rather than advancing negotiations.