Iran has condemned an incident where a US destroyer allegedly fired upon an Iranian-flagged cargo ship in the Gulf of Oman. Tehran described the event as "armed piracy" and warned of an imminent military response.

Iran vowed retaliation after a US destroyer fired on an Iranian-flagged cargo ship in the Gulf of Oman on Sunday, as it was attempting to evade a US naval blockade. Tehran condemned the incident as “armed piracy” and warned its forces would respond soon. Follow our liveblog for the latest updates.