NEED TO KNOW

• IRGC threatened "heavy attack" on U.S. centers if Iranian tankers come under fire.
• Iran sent its response to the U.S. peace proposal Sunday via Pakistani mediators.
• Trump said over the weekend he'd likely reject Iran's proposal as insufficient.

WASHINGTON (TDR) — Iran's Islamic Revolutionary Guard Corps threatened Saturday to attack U.S. military sites in the Middle East if its tankers come under fire, hours before Tehran formally sent its response to Washington's latest peace proposal through Pakistani mediators.

The big picture: Two parallel tracks, escalation and diplomacy, are running simultaneously and pulling in opposite directions.

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• The IRGC said any attack on Iranian tankers will result in a heavy attack on American centers.
• Iran's 14-point plan responds to Washington's nine-point proposal, demanding 30 days to fully end the war.
• The threat followed Friday's U.S. strikes that disabled two Iranian tankers in the Gulf of Oman.

Why it matters: The U.S. has roughly 40,000 troops at major regional bases. Any IRGC strike would shatter Trump's "hostilities have terminated" framing and reopen the War Powers question Congress just declined to enforce.

• CENTCOM has redirected 58 commercial vessels and disabled four since the April 13 blockade.
• NPR reported Trump told reporters Friday "they want to make a deal, I'm not satisfied."
• The April 8 ceasefire has been violated by both sides; Iran calls it "nominal."

Driving the news: Iran's plan demands U.S. force withdrawal, sanctions relief, frozen asset release, war reparations, and a "new mechanism" for Hormuz.

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• Qatari PM Sheikh Mohammed bin Abdulrahman bin Jassim Al-Thani met Saturday in Miami with Witkoff and Rubio.
• A Qatari LNG tanker crossed Hormuz Sunday, the first since the war began February 28.
• Iran insisted on recognition of authority over Hormuz and implementation guarantees.
• The plan calls for a trilateral nonaggression pact between the U.S., Iran, and Israel as Phase 1.

What they're saying:

• IRGC statement — "Any attack on Iranian tankers will result in a heavy attack on one of the American centers in the region."
• Abbas Araghchi, Iranian Foreign Minister — "Every time a diplomatic solution is on the table, the U.S. opts for a reckless military adventure."
• Donald Trump, on Iran's proposal — Tehran has "not paid a big enough price."

Yes, but: Both sides run escalation and diplomacy in parallel because each thinks doing only one weakens its hand.

• Iranian lawmaker Ebrahim Rezaei called the U.S. draft an American wishlist, not a workable basis.
• Trump's "biggest price" framing exists for domestic audiences pressing him to end the war as gas tops $4.50.
• The IRGC has increased its power post-Khamenei's killing, opposing moderates seeking a deal.
• Israel and the U.S. say Lebanon wasn't part of the April ceasefire; Pakistani mediators say it was.

Between the lines: The disconnect inside Iran's government mirrors Trump's. The IRGC issues threats; the foreign ministry sends peace proposals. Trump tells Congress hostilities have terminated; Netanyahu tells 60 Minutes the war isn't over. Both governments have factions that need the war narrative open and factions that need it closed; the result is policy on two tracks that occasionally fire at each other. The 14-point plan's emphasis on "ending war on all fronts, especially Lebanon" is Tehran trying to bundle Hezbollah into the deal, exactly the linkage Israel has been working to break. That's where this fractures.

What's next:

• Trump is reviewing Iran's response with rejection signaled; counter-proposal expected through Pakistan.
• The IRGC threat raises stakes on every blockade enforcement.
• Israeli strikes across Lebanon Saturday killed at least nine, straining the Hezbollah ceasefire Tehran wants linked to the deal.

If both sides have hardliners who need the war open and dealmakers who need it closed, who's actually negotiating, and who's just performing for the home audience?

Sources

This report was compiled using reporting from CBS News, Radio Free Europe/Radio Liberty, France 24, Al Jazeera, NPR, The Jerusalem Post, Iran International, and The National.

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