US Threatens Strait of Hormuz Blockade Amid Iran Tensions

The US has announced plans to blockade the Strait of Hormuz, a vital waterway through which about 20% of global oil passes. This move comes after ceasefire talks with Iran ended without an agreement over the weekend. The blockade, threatened by President Donald Trump, aims to pressure Iran into reopening the strait, which has been effectively closed since February 28.

Trump's announcement on social media stated that the US Navy will begin the process of blockading any and all ships trying to enter or leave the Strait of Hormuz. He accused Iran of 'WORLD EXTORTION' and threatened that any person who attacked US vessels would be 'BLOWN TO HELL!'

However, the blockade's scope appears to have been scaled down, with US Central Command (Centcom) stating it would be confined to vessels transiting through Iranian ports, permitting passage of ships headed to ports belonging to America's Gulf allies. The blockade is set to come into effect at 10am ET (2pm GMT).

The UK will not be involved in any blockade of the strait, and Australian Prime Minister Anthony Albanese has stated that his country was not asked to participate. Oil prices have surged following Trump's announcement, with US crude increasing 8% to $104.24 a barrel and Brent crude oil rising 7% to $102.29.

Experts warn that the blockade could lead to higher oil prices, but much depends on its 'scope and implementation.' The managing director of research at ClearView Energy Partners, Kevin Book, noted that leaner volumes generally mean tighter markets and higher prices. Iranian and/or Houthi reprisals against Gulf producers' alternative routes could drive prices still higher.

The blockade could cut off one of the Iranian regime's major sources of funding but might also have a short-term negative effect on global prices. About 100 tankers have transited the strait since the US and Israel started bombing Iran, most carrying Iranian oil products bound for China and India.

Iran's Revolutionary Guards have stated that any warships approaching the strait to enforce a blockade would be considered in breach of the current ceasefire and would be dealt with strongly. Trump floated the possibility of a resumption of US strikes inside Iran, citing missile factories as one possible target.