What to know about US-Iran standoff over the Strait of Hormuz

Amid the ongoing US-Israel war on Iran, the Strait of Hormuz has become a focal point of tension. Despite a ceasefire, the waterway, vital for global oil transit, remains contested. President Trump accuses Iran of violating the ceasefire and maintains a blockade on Iranian ports until a final deal is reached. Iran initially agreed to reopen the strait for commercial vessels during the truce, but the Islamic Revolutionary Guard Corps (IRGC) reversed this decision, citing continued US "piracy" and maintaining strict control over the strait. The IRGC stated the Strait of Hormuz will remain under strict control until the US lifts its blockade on Iranian ports. The situation has disrupted shipping and raised concerns about a potential energy crisis and renewed conflict.

On day 51 of the US-Iran conflict, tensions remain high despite ongoing talks mediated by other countries. Iran has closed the Strait of Hormuz, a vital maritime trade corridor, and will keep it closed until the US lifts its blockade on Iranian ports. The Iranian Revolutionary Guard Corps (IRGC) has warned that any unauthorized passage through the strait will be considered an act of cooperation with the enemy. The current ceasefire is set to expire on Wednesday unless extended. Disagreements persist over nuclear issues, with Iranian officials rejecting US claims and expressing frustration over the uncertainty of future talks. While Iran's airspace is set to reopen, in-person education remains suspended.

Negotiations between Iran and the United States have made progress, but significant gaps remain, particularly regarding Iran's nuclear program and the Strait of Hormuz. According to Iran's parliament speaker Ghalibaf, a final agreement is still distant, raising concerns as the ceasefire deadline approaches on Wednesday. Iran's President Pezeshkian criticized former US President Trump's stance on Iran's nuclear rights. The IRGC reimposed restrictions on the Strait of Hormuz, citing the US naval blockade of Iranian ports. Ghalibaf condemned the blockade and warned that Iran is prepared for a potential resumption of hostilities by the US.

In April 2026, US President Trump claimed to have secured major concessions from Iran following a ceasefire. These claims included Iran agreeing to jointly dig up and transfer enriched uranium to the US, ceasing uranium enrichment, and permanently opening the Strait of Hormuz. However, Iranian officials, including Parliament Speaker Ghalibaf, rejected Trump's statements as lies. The Islamic Revolutionary Guard Corps (IRGC) subsequently announced the Strait of Hormuz was once again restricted due to continued US naval blockade of Iranian ports. The situation unfolds amid ongoing mediation efforts by Pakistan to facilitate further US-Iran talks.

President Trump hinted that talks to resolve the Iran conflict could resume this week after previous negotiations stalled, leading to a US port blockade. Trump suggested renewed engagement might occur in Islamabad. The US military confirmed the blockade's enforcement, raising concerns about the viability of an upcoming ceasefire. UN Secretary General Guterres expressed optimism about the potential for resumed talks. Reports indicate that negotiating teams from Washington and Tehran may return to Pakistan this week, though no specific date has been set. News of potential diplomatic progress helped stabilize oil markets.

Australian Foreign Affairs Minister Penny Wong has expressed disappointment over the failed peace talks between the US and Iran in Islamabad, Pakistan. These talks, the highest-level direct engagement in decades, aimed to secure a deal and reopen the Strait of Hormuz. Wong urged both countries to continue the ceasefire and resume negotiations swiftly. She warned that escalating the conflict would result in greater human cost and negatively impact the global economy. The US delegation left empty-handed, failing to receive assurances from Iran regarding its nuclear weapon capabilities. Iranian media blamed "excessive" US demands for the breakdown. The Australian government has repeatedly warned of the conflict's impact on global trade and the economy, even after a ceasefire is reached.

Iran has reportedly closed the Strait of Hormuz again in response to a continued US blockade of Iranian ports. The Islamic Revolutionary Guard Corps (IRGC) stated that the waterway, critical for global oil flow, is under strict control until the US ensures free navigation for Iranian vessels. Reports indicate Iranian gunboats fired on a merchant vessel attempting to cross the strait. The closure occurred shortly after the strait had been reopened following a US-mediated ceasefire between Israel and Lebanon. The IRGC characterized the US blockade as "acts of piracy and maritime theft," demanding its end for the strait to return to normal operation. The situation casts doubt on the prospect of a peace deal to end the US-Israel war on Iran.

Iran has reimposed restrictions on the Strait of Hormuz, reversing a previous reopening, due to the US maintaining its blockade on Iranian ports. This action followed reports of Islamic Revolutionary Guards Corps (IRGC) ships firing at tankers in the strait, including an Indian-flagged vessel. Iranian officials stated the strait will remain under strict control until the US ensures free navigation for Iranian vessels. The initial closure on March 4th was in response to US-Israeli airstrikes, with a brief reopening following a ceasefire agreement. The US has stated its blockade will remain until a permanent peace deal is reached with Iran, casting doubt on extending the temporary ceasefire.

The U.S. military announced it will begin a blockade of all Iranian ports and coastal areas starting Monday, following unsuccessful ceasefire talks with Iran in Pakistan. U.S. Central Command stated the blockade will be enforced against all vessels entering or departing Iranian ports on the Arabian Gulf and Gulf of Oman, but ships traveling between non-Iranian ports will still be allowed to transit the Strait of Hormuz. This announcement halted the limited ship traffic that had resumed in the strait since the ceasefire. The blockade is intended to pressure Iran, which has continued to export oil despite sanctions. President Trump also criticized Pope Leo XIV after the Pope denounced the war and called for peace negotiations.

The US military's Central Command (CENTCOM) reported that in the first 24 hours of the US blockade in the Strait of Hormuz, no ships entered or exited Iranian ports, and six merchant ships turned around. This blockade, announced by President Trump after failed US-Iran talks, aims to restrict vessels entering and exiting Iranian ports, while allowing free passage to other ships. CENTCOM stated that 10,000 US personnel, warships, and aircraft are involved in enforcing the blockade. Conflicting reports emerged, with some outlets claiming ships transited the strait after leaving Iranian ports, while Reuters reported vessels transiting but not heading to Iran. Military observers suggest the blockade is sustainable but increases the risk of Iranian attacks and broader escalations, potentially impacting global oil markets.

Amidst a ceasefire in April 2026, the US is maintaining economic pressure on Iran, including a naval blockade, to expedite negotiations. Iranian Foreign Minister Araghchi announced the Strait of Hormuz was open to commercial vessels following a coordinated route, a move acknowledged by US President Trump. However, the US blockade will remain until a complete agreement is reached. US Secretary of Defence Hegseth threatened attacks on Iranian civilian infrastructure if diplomacy fails. Chinese analysts suggest this intensified economic pressure from the US could prolong the conflict, despite the US intention to force Iran to negotiate.

US-Iran talks in Islamabad, Pakistan, during a two-week ceasefire in their ongoing war, ended without an agreement on April 11, 2026. Iranian negotiator Mohammad Bagher Ghalibaf blamed the US for the failure, while US Vice President JD Vance stated the lack of a deal was worse for Iran. The talks, the first high-level direct engagement since 1979, revealed deep divisions regarding Iran's nuclear program and control of the Strait of Hormuz, which has caused a global energy crisis. The US stated that a key sticking point was Iran's refusal to commit to not developing nuclear weapons. The talks, mediated by Pakistan, lasted over 21 hours.

Islamabad is preparing to host negotiations between the US and Iran. However, the ceasefire is strained as Donald Trump accuses Iran of violating promises regarding the Strait of Hormuz, claiming they are not allowing oil to pass through as agreed. Simultaneously, Israel attacked Lebanon, which Iran claims violates the truce. In other news, Melania Trump made a surprise address denying ties to Jeffrey Epstein and urged Congress to give Epstein survivors a public hearing. Her speech has created confusion regarding its timing and purpose, particularly given her husband's desire to move on from the subject.

Ceasefire talks between the U.S. and Iran are planned in Pakistan, mediated by Pakistani officials, but face significant obstacles due to a lack of trust and conflicting demands. The U.S., under President Trump, seeks an exit from the war due to upcoming events like a state visit, a summit, and midterm elections. Iran, despite its defiance, has suffered substantial damage and needs to regroup. Key issues include Trump's 15-point plan, perceived as a surrender document, and Iran's 10-point plan, containing previously rejected demands. A critical immediate concern is reopening the Strait of Hormuz, which Iran's closure of is impacting the global economy. The success of the talks hinges on finding common ground to maintain the ceasefire and prevent a return to war.

The United States and Iran are preparing for peace talks in Islamabad, Pakistan on April 10, 2026, mediated by Pakistan, despite modest expectations for a lasting agreement. The ceasefire, based on Iran's 10-point proposal, reflects Iranian terms more than American, including continued Iranian control of the Strait of Hormuz. The US appears to have tacitly acknowledged Iran's authority over the strait and its upper hand in setting negotiation terms. Iran's demands include recognition of its control over the strait, acceptance of uranium enrichment, the lifting of all US and UN sanctions, and a US military withdrawal from the region. Even if the talks fail to produce a deal, the ceasefire may prevent a return to full-scale war.

A fragile ceasefire in the Iran conflict is in jeopardy as of Wednesday, with both sides disagreeing on its terms. Iran and Pakistan claim the agreement includes Lebanon, while Israel denies this and has intensified its attacks there, killing at least 254 people. In response to Israel's actions and U.S. demands regarding uranium enrichment, Iran has halted oil tanker passage through the Strait of Hormuz, citing a ceasefire breach. The U.S. denies the closure and insists the strait must reopen, while acknowledging a potential misunderstanding regarding Lebanon's inclusion in the ceasefire. Despite the tensions, the U.S. expresses continued hope for the agreement's success.

Following a ceasefire announcement mediated by Pakistan, a sense of relief mixed with skepticism has settled over Tehran on April 8, 2026, after weeks of bombardment by the US and Israel. While some normalcy returns to the city, with increased traffic and resumed flights in Israel, concerns remain about the ceasefire's durability. Negotiations for a lasting agreement are scheduled to begin in Islamabad on Friday. However, attacks on Iranian oil facilities and retaliatory strikes by Iran against Saudi Arabia, the UAE, Qatar, Kuwait, and Bahrain have occurred after the ceasefire was announced. Despite the ongoing tensions, all parties involved are claiming victory, but Iran has stated it is ready to resume military operations if attacked again.

On Sunday, the UAE, Bahrain, and Kuwait experienced damage to critical infrastructure following attacks from Iran. The attacks, which targeted civilian facilities, are reportedly a response to US and Israeli strikes that began in late February. Iran accuses these Gulf nations of allowing the US to launch attacks from their territory, a claim the Gulf states deny. In Abu Dhabi, fires broke out at a petrochemical plant in Ruwais Industrial City, prompting a suspension of operations and damage assessment. The UAE defense ministry reported responding to missile and drone attacks, with authorities citing debris from interceptions as the cause of the fires. No injuries have been reported.

Following heightened tensions and threats, the US and Iran agreed to a two-week truce, contingent on the reopening of the Strait of Hormuz, a vital waterway for global oil and gas shipments. Negotiations are scheduled to begin in Islamabad, Pakistan. However, Gulf states are apprehensive that the US, seeking a swift resolution, might concede some control of the Strait of Hormuz to Iran in exchange for a temporary ceasefire. This concern stems from Iran's demand to maintain control over the Strait and coordinate maritime passage with its military. The Gulf Cooperation Council (GCC) countries have expressed cautious optimism, emphasizing the need for a permanent and lasting solution that ensures the Strait's free passage.

Following a US-Israel war on Iran, Gulf states are reassessing their security strategies due to an emboldened Iran and battered economies. Gulf nations aim to diversify security partnerships, potentially including countries like Turkey and Pakistan, moving away from sole reliance on the US. A key point of contention remains Iran's control over the Strait of Hormuz, a vital trade route, which will be a focus in upcoming US-Iran talks. Despite successfully intercepting many Iranian missiles during the conflict, Gulf states are divided on future relations with Iran, ranging from hawkish stances to hopes for renewed ties. Saudi Arabia and Iran have initiated contact to de-escalate tensions, highlighting the need to insulate the region from perpetual conflict and rebuild economic foundations.

The six Gulf Arab monarchies are apprehensive about ongoing US-Iran negotiations in Pakistan, fearing that any resulting peace agreement could compromise their security and economic diversification efforts. This concern stems from past attacks by Iranian drones and missiles, coupled with the recent failure of their UN Security Council bid to secure defensive measures for the Strait of Hormuz due to vetoes from China and Russia. Gulf states feel sidelined in the negotiations, relying on information from Washington and Islamabad. Officials and commentators in the UAE and Kuwait have voiced concerns about being excluded from the process, fearing the potential consequences for their long-term stability and economic goals.