IRGC will target US ships in Indian Ocean if fighting resumes, official says

Iran threatened the airports of countries that cooperate with the United States to restrict Iranian flights.

"If any country joins the United States in this adventure, its airports will no longer be able to operate flights. The choice is yours," Mohsen Rezaei, the secretary of Iran's Supreme National Security Council said in an interview on Iranian state TV Wednesday.

China has declared that Iranian airline flights to China will keep operating, while expressing its opposition to the U.S. sanctions imposed on Iran.

Iran has canceled regional international flights because of pressure from U.S. sanctions. Iranian media, citing the Civil Aviation Authority, said Iraq and Oman will no longer receive flights from Iran.

-ABC News' Othon Leyva

Qatar mediated the meeting between U.S. and Iranian representatives on the sidelines of the United Nations General Assembly in New York on Tuesday, Iran's Foreign Minister Abbas Araghchi told Iranian state-run news agency IRNA.

Foreign Ministry spokesperson Esmaeil Baqaei told IRNA Tuesday night that his country conveyed its messages to the U.S. through Qatari mediation.

"The interaction that took place was through Qatari mediation. In fact, the Iranian delegation conveyed its views and conditions to the American side very clearly and explicitly through the mediators," Baqaei said.

The White House did not immediately respond to a request for comment.

-ABC News' Nicholas Kerr

The United Kingdom Maritime Trade Operations (UKMTO) Centre issued a warning advisory after it received a report of a vessel being struck by an unknown projectile in the Strait of Hormuz on Wednesday.

A company security officer reported the cargo ship was on fire and adrift, the advisory said. The crew was evacuated with two casualties reported.

Iranian President Masoud Pezeshkian is due to address the United Nations General Assembly on Wednesday, during the second day of this week's high-level event.

Pezeshkian's address comes on the heels of that of President Donald Trump, who on Tuesday said has he a "big decision to make" as to whether a deal will be made with Iran or whether he will "annihilate the Islamic Republic."

Top Iranian negotiator Mohamed Bagher Ghalibaf, the speaker of Iran's parliament, said on Wednesday before Trump's address that the president "can't impose his power on Iran."

Israeli Prime Minister Benjamin Netanyahu is also due to address the UNGA on Wednesday.