This is The Guardian.

Today, could the Strait of Almuz dictate the end of the war?

I started my career as a journalist as a market reporter covering energy commodities,

and the Strait of Hormuz was always this example used to terrify young market reporters.

Gillian Ambrose is the Guardian's energy correspondent.

Understanding how oil and gas move around the world is her thing.

This is a tiny choke point in the Middle East,

which can affect the entire global market in minutes, if not hours.

It's almost mythic in its proportions.

It's the ultimate sum of all fears for the market.

The Strait of Hormuz. You've probably heard quite a lot about it by this point. It's a stretch

of water between the Gulf of Oman and the Persian Gulf out to the Arabian Sea, and it's kind of

like the world's petrol pump.

20% of the world's oil is transported through a strip of water that is just 21 miles wide.

And as the US in Israel's war in Iran has ramped up, the thing that keeps energy reporters up

at night, It's happening.

Today will be yet again the highest volume of strikes that America has put over the skies of Iran ramping up and only up.

While the U.S. and Israel have been bombing Iran from the sky, Iran has launched its fight back from the sea.

Iran's Revolutionary Guards warning that any ship passing through the narrow strait is a target.

It's shut down the strait.

This crisis has reverberated from a tiny geographical quirk in the Gulf,

rippling through the global economy and will affect absolutely everyone from schools in Bangladesh

...