Bahrain and the United Arab Emirates also reported strikes resulting in fires, which were immediately extinguished.
Kuwait said Iranian drone attacks damaged two power and water desalination plants and set off a fire at an oil complex, causing no injuries.
Gulf countries have had to bear the brunt of Tehran’s reaction to the US and Israeli attacks on Iran since February 28.
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Fatima Abbas Johar Hayat, spokeswoman for Kuwait’s Ministry of Electricity, Water and Renewable Energy, said on Sunday that “criminal aggression” caused “serious material damage” to two plants overnight and shut down two power generating units.
The attack is the latest to target civilian infrastructure in Kuwait. Other drone strikes overnight caused a fire at the Shuwaikh oil sector complex and caused “significant damage” to a government office complex.
Reporting from Kuwait City, Al Jazeera’s Malika Traina called the incident “devastating news” because “water desalination is extremely important here and across the Gulf. In Kuwait, about 90 percent of the country’s drinking water comes from these plants”.
Along with the United Arab Emirates, Kuwait has been at the “center” of Iranian attacks over the past few days, Al Jazeera’s Victoria Gatenby said, reporting from Doha, Qatar.
“The concern in the region is that if President (Donald) Trump and the Israeli Prime Minister, Benjamin Netanyahu, follow through on threats to escalate attacks on Iran, the result could be that Tehran would attack similar facilities in the Gulf,” Gatenby said.
Gulf’s patience is not ‘unlimited’
Bahrain also faced Iranian attacks on Sunday.
The country’s national oil company, Bapco Energies, said an oil tank caught fire at one of its storage facilities after the Iranian attack, but the fire was soon extinguished.
It said no one was injured in the incident and the damage was being assessed.
Earlier, Bahrain’s Interior Ministry had reported the fire, without specifying where the fire had started.
The Interior Ministry said civil defense teams “extinguished the fire that broke out at the facility” which occurred “as a result of the Iranian attack.”
The announcement came an hour after Bahrain activated air raid sirens.
On Sunday, authorities in neighboring Abu Dhabi also said they responded to several fires caused by debris falling from the blockage at the Bourouj petrochemical plant.
“Operations at the plant have been immediately suspended until the damage can be assessed,” a statement issued by the Abu Dhabi Media Office said.
It said that no injuries have been reported so far.
Meanwhile, Saudi Arabia intercepted the missiles early Sunday, the kingdom said.
“Iran has said it’s really only attacking U.S. military bases and U.S. assets in the region, but from what’s been happening over the last five weeks and what Gulf leaders are saying, we know that they’re also targeting civilian infrastructure and critical energy infrastructure in the region,” Gatenby said.
While Gulf countries have shown “incredible restraint” in the face of attacks over the past five weeks, it is not because they lack the ability to respond and, increasingly, countries are talking about the fact that their patience is not unlimited, Gatenby said.
In particular, Saudi Arabia has been talking about its right to self-defense under Article 51 of the UN Charter since last week, he said.
“The GCC countries say their main priority is de-escalation and dialogue, but some other countries are saying this defensive posture will have to be changed if they continue to be attacked,” Gatenby said.
