US-Iran Peace Plan Collapses: Escalation of Drone and Ship Attacks in the Gulf, Ceasefire in Hormuz Under Pressure

Breaking / Analysis (Middle East Theater): New signs of a breakdown in the US-Iran war peace proposal emerged on May 10. Al Jazeera reported that Iran has submitted a response to Washington regarding the US proposal to end the US-Israel war against Iran through Pakistan; however, US President Trump subsequently stated on Truth Social that the response was “TOTALLY UNACCEPTABLE” and accused Iran of “playing games.” Meanwhile, multiple Gulf countries reported drone or vessel attack incidents on the same day, indicating that the fragile ceasefire since April 8 is being continuously eroded by maritime blockades, the right of passage through the Strait of Hormuz, and issues related to sanctions enforcement.

UAE air defense systems responded to two drone attacks from Iran on May 10. Image source: Victor Besa / The National (original site CDN direct link, pending platform image processing).

Confirmed Key Points

• Diplomatic Breakdown: Al Jazeera reported on May 10 that Iran's state news agency IRNA stated that Iran's response has been submitted through Pakistan. An Iranian source told Al Jazeera that the response involves ending regional wars, the situation in Lebanon, differences with Washington, the Strait of Hormuz, the nuclear program, and the lifting of sanctions.
• Trump's Rejection: Trump initially stated that Iran was “playing games,” and then said he had read the response from Iran's “so-called representative” and remarked, “I don’t like it—totally unacceptable.”
• Core of the US Proposal: According to Al Jazeera, the US submitted a 14-point proposal to Iran earlier this week, demanding that Iran refrain from developing nuclear weapons for at least 12 years and stop uranium enrichment, while also handing over about 440 kilograms of 60% enriched uranium; in exchange, the US would gradually lift sanctions, release frozen assets, and stop the maritime blockade of Iranian ports.
• Escalation of Attacks in the Gulf: Both Al Jazeera and The National reported that Qatar stated a drone struck a cargo ship heading to Mesaieed port in its waters, causing a small fire; the UK Maritime Trade Operations (UKMTO) reported that a bulk carrier was hit by an “unknown projectile,” with no casualties or environmental impact reported.
• UAE / Kuwait Air Defense: The National quoted the UAE Ministry of Defense stating that UAE air defense systems successfully dealt with two drones launched from Iran on May 10, with no deaths or injuries. The Kuwait Ministry of Defense reported that multiple “hostile drones” were detected entering its airspace early that day and were dealt with according to protocol, but did not specify the launch location.
• Threats to Shipping: The National's live update on May 10 stated that the Iranian military warned that vessels complying with US sanctions would face “hardship.” Al Jazeera also reported that the Iranian Revolutionary Guard Navy reiterated that any attack on Iranian tankers or merchant vessels would result in a “heavy assault” on regional US military bases or enemy vessels.
• Lebanon Front: The National updated the same day that Israel resumed attacks after causing 39 deaths in Lebanon in one day. This number and the specific chain of strikes still require further verification from Lebanese officials, the Israeli military, or independent agencies.

Analysis and Judgment

This is not a singular diplomatic failure, but rather a simultaneous deterioration of three lines: “negotiation text—maritime blockade—regional proxy wars/air defense incidents.” Iran's response is not a simple acceptance or rejection, but rather binds the ceasefire, the Strait of Hormuz, the nuclear program, and the lifting of sanctions into a package negotiation; the US insists on prioritizing nuclear restrictions and the reopening of shipping lanes. The divergence between the two sides has led to a nominal ceasefire still in place, but military contacts and paramilitary actions have continued to occur on the edge of the Gulf.

The simultaneous reporting of incidents by the UAE, Qatar, and Kuwait indicates that the pressure of conflict is spreading from direct US-Iran interactions to Gulf shipping and air defense systems. For the hiwars database, this incident should be recorded as a cross-domain escalation node: signals of diplomatic negotiation breakdown, Gulf drone attacks, commercial vessels being struck, the blockade of Hormuz/anti-blockade actions, and the resumption of the Lebanon front all belong to the same crisis chain.

Risk Level: High. If the US continues to enforce the blockade of Iranian ports and Iran continues to restrict passage through the Strait of Hormuz while threatening vessels complying with US sanctions, Gulf commercial shipping, energy prices, and US military facilities stationed in the Gulf face a higher risk of miscalculation or retaliation within the next 72 hours.

Information Pending Confirmation

• The name, flag, type of cargo, and projectile/drone model of the cargo ship hit in Qatari waters have not been publicly confirmed by multiple parties.
• The launch direction and affiliation of the Kuwaiti drone incident have not been publicly disclosed by Kuwait.
• The full text of Iran's response has not been made public; currently, it can only be assessed based on statements from IRNA, Al Jazeera sources, and US remarks.
• Access to Reuters' official page is restricted, and the AP search page did not return verifiable articles; this report was unable to independently obtain confirmation from Reuters/AP.

Sources

1. Al Jazeera, “Iran replies to US proposal to end war, Trump finds response ‘unacceptable’”, 2026-05-10: https://www.aljazeera.com/news/2026/5/10/iran-sends-response-to-us-proposal-to-end-war-via-mediator-pakistan
2. Al Jazeera, “US-Iran ceasefire under strain as Gulf states report drone attacks”, 2026-05-10: https://www.aljazeera.com/news/2026/5/10/us-iran-ceasefire-under-strain-as-gulf-states-report-drone-attacks
3. The National, “Iran war latest: Iran responds to US peace plan after drone attacks on Gulf”, updated 2026-05-10 12:48 PM: https://www.thenationalnews.com/news/mena/2026/05/10/live-us-iran-war-lebanon-strike/
4. The National, “UAE intercepts two drones from Iran on Sunday”, 2026-05-10: https://www.thenationalnews.com/news/uae/2026/05/10/uae-intercepts-two-drones-from-iran-on-sunday/
5. UKMTO statement as quoted by Al Jazeera, 2026-05-10 (not directly obtained from the official original page).