Commentary: The 20% fee on cargo passing under US protection aims to squeeze Iran’s Revolutionary Guard and punish those who shunned Washington, but the fighting masks a deeper battle for Hormuz and the victory narrative Tehran seeks

Trump says Iranian ships and those trading with Iran will be barred, while other commercial traffic will pay a 20% transit fee.

President Donald Trump said the 20% fee on cargo was necessary to "do the job of providing safety and security" to the region.