Afghanistan, Feb. 8 -- Iran and the United States resumed mediated nuclear talks as Tehran called progress positive while warning it will resist pressure and threats.

Iranian President Masoud Pezeshkian said recent talks with the United States marked "a step forward," crediting mediation by friendly regional governments.

He stressed Iran seeks peaceful solutions to disputes but will not accept coercion, saying Tehran continues to pursue what it calls its legal nuclear rights.

Foreign Minister Abbas Araqchi said negotiations can succeed only if Iran's rights are respected, adding Tehran will not abandon uranium enrichment even under pressure.

The two countries began sensitive talks in Oman aimed at resolving long-running disputes over Ir...