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Iran warned Wednesday it was ready for a long war of attrition that would "destroy" the world economy, after firing on two commercial ships and threatening vessels transiting through the Strait of Hormuz.
In an interview with Axios, US President Donald Trump told reporters at the White House that the war could end "soon" and US forces had "practically nothing left to target".
With the conflict now in its 12th day, Iran's Revolutionary Guard vowed to target "economic centres and banks" that it deems linked to US and Israeli interests, prompting more international firms to evacuate employees from Dubai.
On Wednesday, drones fell near Dubai airport, injuring four people, the city's government said. Drones also hit fuel tanks at Oman's Salalah port, Oman News Agency reported.
Israel pounded Beirut's southern suburbs Wednesday evening and continued strikes on southern Lebanon. Lebanese authorities said the death toll in 10 days of fighting between Israel and Hezbollah had reached 634, while more than 800,000 people have registered as displaced.