Iran Recloses Strait of Hormuz as Trump Maintains Naval Blockade Amid Fraying Ceasefire

Iran reinstates the Strait of Hormuz blockade, citing US breaches of trust. Trump maintains naval pressure as the ceasefire deadline approaches.

By: AXL Media

Published: Apr 19, 2026, 6:57 AM EDT

Source: Information for this report was sourced from CNN

A Sudden Reversal in the Strait of Hormuz

The fragile hope for regional stability evaporated Saturday as the Islamic Revolutionary Guard Corps (IRGC) announced the immediate closure of the Strait of Hormuz. This decision marks a sharp pivot from Friday, when Iranian officials had suggested the vital waterway was fully open for passage. According to IRGC naval forces, any vessel approaching the strait will now be viewed as cooperating with the enemy. This move effectively ends a brief 24-hour window of maritime de-escalation and places global energy transit back into a state of high-intensity conflict.

Washington and Tehran Dig in on Strategic Demands

The primary catalyst for the renewed closure appears to be a dispute over the sequencing of the ongoing ceasefire. Iran claims the United States failed to honor its end of the agreement by maintaining a naval blockade on Iranian ports. Consequently, Tehran has retaliated by shuttering the strait, with parliament speaker Mohammad Bagher Ghalibaf characterizing the move as a strategic victory. Ghalibaf asserted that while the opposition possesses superior resources, they have been defeated strategically by Iran's ability to control the flow of global commerce through the waterway.

Violence Erupts as Merchant Vessels Come Under Fire

The re-imposition of the blockade was immediately followed by reports of kinetic military action against commercial shipping. IRGC gunboats reportedly opened fire on a tanker without warning, while a second vessel was struck by an unknown projectile in the same region. These incidents have sparked international diplomatic friction, notably with New Delhi, which summoned the Iranian ambassador after two Indian-flagged ships were caught in the crossfire. Foreign Secretary Vikram Misri emphasized the critical importance of mariner safety and urged Tehran to resume facilitating safe passage for ships bound for India.