"The reactivation of annulled resolutions is legally baseless and unjustifiable... all countries must refrain from recognising this illegal situation," the Iranian foreign ministry said in a statement. The return of the sanctions ends months of tense diplomacy aimed at reviving nuclear talks derailed since June, when Israeli and US forces bombed Iranian nuclear facilities. The ultraconservative newspaper Kayhan, which opposes dialogue with the United States, suggested the sanctions would have been imposed even if Iran had engaged in negotiations. The United States had already imposed massive sanctions when President Donald Trump withdrew from the deal in his first term. Sweeping UN sanctions return to hit Iran after nuclear talks failUnited Nations, United States (AFP) Sept 28, 2025 - Widespread UN sanctions against Iran returned into force late Saturday for the first time in a decade, after last-ditch nuclear talks with Western powers failed to produce a breakthrough.