Claimed by U.S. Secretary of State Marco Rubio (US Military)
Secretary of State Marco Rubio proposed a 72-hour humanitarian ceasefire on April 6, contingent on Iran agreeing to suspend all uranium enrichment above 20% and permitting unrestricted IAEA access to all nuclear sites within 48 hours.
Filed 4/6/2026
Verified
Neutral analysis
The ceasefire proposal was real but structured with preconditions Iran has consistently rejected; analysts interpreted it as primarily aimed at Western and Arab public opinion rather than as a genuine negotiating opening.
Verification notes
The ceasefire proposal was formally delivered through Swiss back-channel intermediaries and confirmed by State Department readout. Iran formally rejected the preconditions within 12 hours via the Iranian UN Mission.