Kuwait's armed forces said drones were detected at dawn on Sunday.
President Donald Trump announced "major combat operations" against Iran on Feb. 28, with massive joint U.S.-Israeli strikes targeting military, government and infrastructure sites.
Following the announcement of a two-week ceasefire, initial U.S.-Iran talks in Pakistan in April failed to reach a peace deal.
Trump later announced the open-ended extension of the ceasefire and the continuation of a U.S. blockade until negotiations are concluded "one way or the other."
Kuwait's Defense Ministry spokesperson, Brig. Gen. Saud Abdulaziz Al-Otaibi, said in a statement on Sunday that the country's armed forces detected and "dealt with" several "hostile drones within Kuwaiti airspace."
The incident occurred at dawn on Sunday, Otaibi said in a statement published on X by Kuwait's armed forces.
A bulk carrier ship was struck by an "unknown projectile" in the Persian Gulf off the coast of Doha, Qatar, according to U.K. Marine Trade Operations, a maritime monitoring organization.
"The Master of a Bulk Carrier reports being hit by an unknown projectile," UKMTO said in a warning posted early on Sunday. "There was a small fire that has been extinguished, there are no casualties."
The ship, which was not identified by UKMTO, was about 23 nautical miles northeast of Doha when it was struck, the organization said.
Secretary of State Marco Rubio met on Saturday with Qatari Prime Minister Al Thani, who also serves as foreign minister of the Gulf country, according to State Department spokesperson Tommy Pigott.
The readout says only that the pair discussed "Qatar's partnership on a range of issues."
In a post on X, Rubio confirmed the meeting, writing that the two officials met to "discuss U.S. support for Qatar’s defense." Rubio's post added: "Our partnership is important to deterring threats and promoting stability in the Middle East."
-ABC News' Chris Boccia
Iranian missiles and drones "are locked on American targets in the region and aggressor enemy ships," Commander of the Iranian Revolutionary Guard Corps' Aerospace Force Gen. Majid Mousavi said in a short statement on Saturday, Islamic Republic state media reported.
Mousavi added that the military is "awaiting the command to fire."
In a separate note, the IRGC Navy Command warned in a post on X that any attack on Iranian oil tankers and commercial vessels will result in "heavy attack on one of the American centers in the region and enemy ships," the Iranian state media reported.
-ABC News' Somayeh Malekian
