 Iran says it can enrich uranium up to 90% purity weapons grade if its nuclear reactions needed it. But added, it still sought the revival of a 2015 deal that would limit its atomic activities in return for a lifting of sanctions. The nuclear deal caps the physical purity to which Tehran can refine uranium at 3.67% while under the 20% achieved before the agreement and far below the 90% suitable for a nuclear weapon. Iran has long denied any intention of developing nuclear weapons. Iran has been breaching the deal in several ways after the United States withdrew from the agreement in 2018 including by producing 20% and 60% enriched uranium. So you get notified about fresh news updates.