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Iran Re-Closes Strait of Hormuz Amid Growing Regime Divisions

Factional infighting in Tehran leads to erratic maritime policy as the military accuses the U.S. of breaching transit agreements.

April 18, 2026 at 7:00 PM

Iran’s military command announced the re-closure of the Strait of Hormuz on Saturday, marking a significant escalation in the ongoing maritime standoff with the United States. The decision follows 24 hours of erratic signaling from Tehran, including brief reopenings that were quickly reversed. Iranian officials framed the move as a response to a 'direct breach of trust,' accusing the U.S. of violating agreements by maintaining its naval blockade on Iranian shipping. The shifting decisions regarding the Strait have exposed deep divisions within the Iranian leadership. Sources indicate a growing rift between hardline elements of the Islamic Revolutionary Guard Corps (IRGC) and more pragmatic regime factions. This internal instability has resulted in whiplash for global oil markets, as analysts warn that the lack of a consistent Iranian policy is exacerbating energy price volatility and threatening global supply chains. Despite the heightened tensions at sea, there have been no reports of new military kinetic actions or additional sanctions from the Trump administration in the last 24 hours. Regional neighbors, including Saudi Arabia, have remained silent regarding the latest closure, though the economic impact of the blockade continues to ripple through international markets. Diplomatic back-channels and previous mediation efforts currently remain inactive.

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