Iran Suspends US Peace Talks, Threatens Bab el-Mandeb Closure as Brent Crude Slides to $94

Iran's foreign ministry announced on June 1 that its negotiating team would suspend indirect talks with the United States, citing ongoing Israeli military operations in Lebanon. State media agency Tasnim reported that no dialogue would resume until Israel fully withdraws from Lebanese territory and halts all attacks in Lebanon and Gaza. President Trump insisted the same day that negotiations remained active and called for a Lebanon ceasefire. Oil markets reacted sharply, with Brent crude surging 4.2% on June 1 before pulling back on June 2.

Brent Crude Retreats to $94 After Monday's Spike

Brent crude futures fell to $94.06 per barrel on ICE during June 2 trading, down approximately 1% from Monday's close, per TradingEconomics. WTI futures on the CME traded in a range of $91.51 to $92.64 per barrel on the same day. Both benchmarks gave back most of June 1's gains after Trump's comments reassured investors that diplomatic channels remained open. The EIA's May Short-Term Energy Outlook, published May 12, had forecast Brent averaging around $106 per barrel for May and June combined. At $94.06, Brent sits 11% below that benchmark, reflecting diplomatic volatility rather than any easing of supply tightness.

Bab el-Mandeb: Iran Threatens to Close the Backup Route

Iran threatened on June 1 to close the Bab el-Mandeb Strait, the narrow waterway connecting the Red Sea to the Gulf of Aden, according to NBC News and Middle East Eye. Approximately 4 million barrels of oil per day currently transit the strait, down from roughly 9 million barrels before Houthi disruptions began, per EIA data. A complete closure would neutralize the two alternative pipelines Gulf producers currently use to bypass the Hormuz blockade. JP Morgan analysts estimated a Bab el-Mandeb closure could add $20 per barrel to global oil prices, per ABC News.

Saudi Arabia's East-West Pipeline currently flows at 4.6 million barrels per day toward the Red Sea port of Yanbu, up from 2.5 million in early March, per ABC News. The UAE's ADCOP pipeline feeds the Fujairah export terminal at roughly 3.2 million barrels per day. Together those two routes provide 7.8 million barrels per day of bypass capacity. Iraq, Saudi Arabia, Kuwait, the UAE, Qatar, and Bahrain have collectively shut in 10.5 million barrels per day of production since the Hormuz closure, per EIA modeling. A Bab el-Mandeb closure would leave 2.7 million barrels per day of Gulf production with no viable export path, even if both pipelines run at full capacity.

US Inventories on a Multi-Week Draw Ahead of Tuesday's EIA Report

US commercial crude inventories have declined sharply over three consecutive reporting periods. The week ending May 8 saw a draw of 4.3 million barrels, bringing commercial stocks to 452.9 million barrels, per EIA data. Stocks fell another 7.9 million barrels in the week ending May 15 and a further 3.3 million barrels in the week ending May 22. The Strategic Petroleum Reserve now sits 6.6% below comparable year-ago levels after accelerated emergency releases. The EIA publishes its next Weekly Petroleum Status Report on Tuesday, June 3, covering the week ending May 29.

Context: What This Crisis Looks Like Against Prior Hormuz Episodes

The Strait of Hormuz has faced closure threats in prior conflicts, but the 2026 crisis differs structurally from earlier episodes. The closure began after US and Israeli airstrikes on February 28 that resulted in the death of Iranian Supreme Leader Ali Khamenei, per the Wikipedia 2026 Strait of Hormuz crisis documentation. Over 2,000 ships and 20,000 mariners remain stranded in or near the Persian Gulf as of May 2026. The US naval blockade of Iranian ports, which ran from April 13 to May 29, ended after Trump-Iran negotiations opened. Iran's June 1 suspension marks the most significant diplomatic reversal since the Islamabad Talks collapsed on April 12.