Event Brief

UPDATED May 19, 2026 at 4:04 AM ET

Apr 27, 2026 at 2:03 PM ET

Iran negotiator: U.S. must accept proposal or face failure

By The BriefBrief

Iran’s chief negotiator told the U.S. to accept a 14-point peace proposal or risk failure.

WHO: Iran’s chief negotiator

WHAT: Iran issued an ultimatum to the U.S. over its 14-point peace proposal.

WHEN: May 12, 2026 at 8:07 AM ET

WHERE: Iran

WHY: The ultimatum followed the U.S. rejection of Tehran’s latest counteroffer.

How this story developed (showing 50 of 57 earlier reports)

Tehran rejects Trump demand to end nuclear programme · May 19, 2026 at 4:04 AM ET
Trump says good chance of Iran nuclear deal · May 19, 2026 at 4:04 AM ET
Pakistan shares revised Iranian proposal with the U.S. · May 18, 2026 at 9:05 AM ET
Iran conveys concerns over latest US peace proposal · May 18, 2026 at 7:09 AM ET
Iranian media says US response offers no concessions · May 17, 2026 at 1:08 PM ET
Tehran says lack of trust is hurdle to ending war · May 16, 2026 at 4:08 AM ET
Trump calls Iran peace proposal “unacceptable” · May 15, 2026 at 5:10 PM ET
Trump says he discarded Tehran’s peace proposal · May 15, 2026 at 9:09 AM ET
White House official: U.S.-China agreed Iran can never have nuclear weapon · May 14, 2026 at 5:06 AM ET
Iranians worry war could extend as talks stall · May 12, 2026 at 7:04 AM ET
Trump 'seriously considering resuming war' after Iran proposal · May 12, 2026 at 3:04 AM ET
U.S.-Iran diplomacy stalls as fighting continues between Israel and Lebanon · May 11, 2026 at 9:04 AM ET
Trump rejects new Iran peace offer as unacceptable · May 11, 2026 at 1:00 AM ET
Trump Rejects New Iran Peace Offer as ‘Totally Unacceptable’ · May 10, 2026 at 5:03 PM ET
Iran’s response to latest US ceasefire proposal · May 8, 2026 at 8:02 AM ET
Iran reviews U.S. proposal as Trump pressures for deal · May 7, 2026 at 2:03 PM ET
Iran reviews 14-point US proposal to end the war · May 7, 2026 at 9:02 AM ET
Iran reviewing U.S. proposal as Trump pressures Tehran · May 7, 2026 at 7:06 AM ET
U.S. and Iran exchange new proposals to end war · May 7, 2026 at 7:02 AM ET
Trump threatens Iran with more attacks if no deal · May 7, 2026 at 3:03 AM ET
Iran reviews U.S. proposal as Trump threatens bombing · May 6, 2026 at 11:02 PM ET
Iran reviewing U.S. proposal to end war, demands remain · May 6, 2026 at 8:00 PM ET
Trump says he had ‘very good talks’ with Iran · May 6, 2026 at 7:00 PM ET
US and Iran weigh potential deal as Trump presses · May 6, 2026 at 5:00 PM ET
Trump: US is dealing with right people in Iran · May 6, 2026 at 3:02 PM ET
Iran reviewing US-backed peace proposal, Trump sets condition · May 6, 2026 at 11:00 AM ET
US seeks Iran war end as Trump suspends Hormuz plan · May 6, 2026 at 6:04 AM ET
Iran reviewing US response to 14-point plan · May 3, 2026 at 8:02 PM ET
Iran says it received US response to latest talks offer · May 3, 2026 at 6:03 PM ET
Trump on Iran proposal; SCOTUS weakens Voting Rights Act · May 3, 2026 at 6:02 PM ET
Trump says he is reviewing new Iranian proposal · May 3, 2026 at 6:02 PM ET
Iran warns US against further military action · May 3, 2026 at 5:03 PM ET
Trump rejects Iran peace plan to end war in 30 days · May 3, 2026 at 4:03 PM ET
Trump casts doubts on Iran peace proposal details · May 3, 2026 at 3:03 PM ET
Iran submits new peace plan to U.S.; Trump to review · May 3, 2026 at 12:02 PM ET
Trump: Iran has not paid a big enough price · May 3, 2026 at 10:04 AM ET
Iran presses for end to war within 30 days · May 3, 2026 at 9:01 AM ET
Iran’s 14-point proposal to end the war, and Trump · May 3, 2026 at 8:02 AM ET
Trump reviews Iran offer to end war, doubts it’s acceptable · May 3, 2026 at 4:01 AM ET
Iran submits 14-point response to U.S. proposal · May 3, 2026 at 1:02 AM ET
Trump reviewing new Iran proposal to end war · May 2, 2026 at 8:02 PM ET
Trump rejects Iran peace proposal as gas prices rise · May 2, 2026 at 7:03 PM ET
Trump: Iran wants a deal, but he’s not satisfied · May 2, 2026 at 1:02 PM ET
Iran war: Day 64 as Trump rejects Tehran’s proposal · May 2, 2026 at 7:02 AM ET
Trump not satisfied with Iran proposal, calls leadership disjointed · May 2, 2026 at 4:02 AM ET
Trump says he’s not satisfied with Iran proposal · May 1, 2026 at 10:02 PM ET
Trump not satisfied with Iran’s latest peace proposal · May 1, 2026 at 2:00 PM ET
Iran sends new proposal for peace talks with U.S. · May 1, 2026 at 12:00 PM ET
Iran delivers new proposal to US as Hormuz stays shut · May 1, 2026 at 11:03 AM ET
US rejects Iran proposal to end war, Trump says · Apr 29, 2026 at 11:03 PM ET

Reporting from 28 identified publishers across this event arc.

View all 28 publishers

Publishers represented across this event arc

ABC Australia —
3 articles
ABC News — View reporting
Al Jazeera —
8 articles
BBC News —
3 articles
Bloomberg —
8 articles
CBS News —
3 articles
CNBC Top News —
2 articles
- View article 1
- View article 2
Dawn Pakistan —
2 articles
- View article 1
- View article 2
Deutsche Welle —
2 articles
- View article 1
- View article 2
Euronews — View reporting
Financial Times — View reporting
France 24 —
7 articles
Japan Times —
2 articles
- View article 1
- View article 2
Jerusalem Post —
5 articles
Middle East Eye —
6 articles
NBC News —
4 articles
New York Times —
5 articles
NPR —
3 articles
PBS NewsHour —
5 articles
Politico Europe — View reporting
South China Morning Post — View reporting
Straits Times —
5 articles
The Hindu —
7 articles
The Independent —
5 articles
UPI —
4 articles
Washington Post — View reporting
Wired — View reporting
Yonhap Korea —
2 articles
- View article 1
- View article 2

These publishers contributed reporting to the broader event history. Not every source addresses the specific development described above.

How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.

Know more. Read less.

The BriefBrief — updated continuously, every category, every day.

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