Trump Warns Against ‘Blackmail' As Iran Closes Strait of Hormuz Again

Channel 4 News
Channel 4 NewsApr 18, 2026

Why It Matters

The closure of Hormuz directly jeopardizes global oil flow, inflating energy costs for vulnerable economies and heightening geopolitical risk, which could reshape investment and policy decisions worldwide.

Key Takeaways

  • Iran re‑closed Hormuz, attacking tanker and freighter, defying US cease‑fire.
  • Trump warned of “repercussions” if America fails to honor its words.
  • Oil market volatility spikes; Asian fuel, fertilizer, jet‑fuel prices surge.
  • IMF/World Bank prioritize Hormuz crisis, fearing strain on vulnerable economies.
  • Regional conflicts in Lebanon, Gaza, and Israel compound global energy instability.

Summary

The video reports that Iran, after Trump’s declaration that the Strait of Hormuz would remain open to everyone except Iran, has again shut the waterway, claiming to have struck a tanker and a freighter. The U.S. Navy responded, saying 23 vessels complied with its blockade and returned to Iran, a move Washington says violates the cease‑fire terms.

The closure reignited oil‑market turbulence; crude futures fell when reopening was announced, but the renewed shutdown has already cost an estimated 900 million barrels and pushed Asian gas, kerosene, fertilizer and jet‑fuel prices up 30‑80 percent. IMF and World Bank officials met in Washington to flag the crisis as a top agenda item, warning that countries with limited fiscal buffers could face severe shortages.

Trump warned “repercussions” if the United States does not honor its words, while a senior U.S. official called Iran’s actions “cute” after 47 years of defiance. The segment also cited a UN‑mandated inquiry into Israeli soldiers killing two UN drivers in Lebanon and highlighted Netanyahu’s forced halt to his Lebanon invasion under Trump’s orders.

The strait’s instability threatens global supply chains, raises the risk of broader Middle‑East conflict, and could trigger social unrest in energy‑import‑dependent Asian economies and small island states. Investors may see short‑term market rallies, but the underlying supply shock underscores the geopolitical risk premium baked into energy prices.

Original Description

President Trump has warned Iran not to 'blackmail' the US after Tehran reversed its decision to reopen the Strait of Hormuz to shipping. That move came in response to the US naval blockade of Iranian ports, which Donald Trump has said 'will remain in full force' until Tehran reaches a peace deal to end the war.
At least two cargo ships have been fired on by Iranian gun boats in the waterway since it was cut off once more.
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