Iran is currently reviewing a formal U.S. nuclear deal proposal as both sides remain deeply divided over uranium enrichment limits and sanctions relief.

The nuclear deal proposal the U.S. gave Iran on Saturday would allow limited low-level uranium enrichment on Iranian soil for a to-be-determined period of time, Axios has learned, contradicting public statements from top officials.

The U.S. will reportedly allow Iran to enrich civilian-grade uranium in a proposed nuclear deal, marking a major concession from