UN nuclear chief in Tehran ahead of fresh Iran-US talks

Rafael Grossi met Mohammad Eslami before Iran-US nuclear talks. Delegations will meet in Rome for Oman-mediated negotiations. Grossi said Iran is close to having a nuclear bomb. Iran insists its enrichment is not negotiable. Araghchi hopes for constructive US positions. He then visited Moscow. Russia is ready to help resolve the nuclear standoff. Khamenei cautioned talks may be fruitless.