US Officials Outline Key Provisions of Proposed Iran Nuclear Deal

US officials have outlined core elements of a prospective Iran nuclear agreement. The proposal includes a minimum requirement to dilute uranium enrichment levels. It also calls for the waiver of certain sanctions against Iran. Additionally, the deal envisions reopening a strategic strait for navigation. Officials say the measures aim to curb Iran's nuclear capabilities. The waiver of sanctions is intended to provide economic relief to Tehran. Reopening the strait would enhance regional maritime trade. Negotiators are expected to continue discussions to finalize the terms.