Live updates: Follow the latest news on US-Iran war
Fires were reported after Iranian attacks on civilian infrastructure in Bahrain and Kuwait on Wednesday morning, as a maritime monitor said a tanker had been struck off Qatar.
Kuwaiti Defence Minister Abdullah Ali Abdullah Al Sabah inspected damage at the country's international airport after it was hit by an Iranian drone attack on Wednesday, causing “significant” damage to its radar systems.
The Public Authority for Civil Aviation announced that the attack caused a large fire and material damage to the fuel tanks owned by the Kuwait Aviation Fuelling Company. No casualties were reported.
In Bahrain, the Interior Ministry said civil defence crews were extinguishing a fire at the site of a company after an Iranian attack. The company was not named.
A tanker was also hit by a projectile near Doha causing damage to the hull at the waterline, UK Maritime Trade Operations said. The crew were safe, it added.
Iran has intensified strikes on Gulf states despite international condemnation, attacking airports, oil sites and desalination plants.
On Monday, a service building at a power and water desalination plant in Kuwait came under an Iranian attack that killed one Indian worker.
Tehran has kept up daily attacks since February 28 when Israel and the US began their war on Iran. While Iranian officials have repeatedly maintained that their campaign is aimed at US interests and military bases, the scale and pattern of strikes, which have hit energy sites, airports and economic infrastructure across the Gulf, belie that claim.
The US and Israel continue to bombard Iran, with explosions heard in several areas of Tehran on Wednesday morning, Iranian state media reported. Air defences were activated, the reports added.
Shahid Haghani Port, Iran's largest passenger terminal located in Bandar Abbas on the Arabian Gulf, was hit by an overnight air strike but there were no casualties, deputy governor Ahmad Nafisi told state media. He called it a “criminal” attack against civilian infrastructure.
A member of the Iranian Red Crescent has also been killed in an air strike, the International Committee of the Red Cross said.
The strikes came as US President Donald Trump said the attacks on Iran could end in two to three weeks and Tehran did not have to make a deal for the conflict to wind down. The remarks underscored the shifting and, at times, contradictory statements from Washington about how the war, now in its fifth week, might end.
“We'll be leaving very soon,” Mr Trump told reporters at the White House. The exit could take place “within two weeks, maybe two weeks, maybe three”, he added.
He indicated that it was possible that Iran could still reach a deal with the US in that time but said an agreement was not necessary for the war to end. He said the nuclear threat from Iran had been removed, and that it would take them 15 to 20 years to rebuild “what we've done to them”.
