Aug 31 (Reuters) - U.S. President Donald Trump was sending a message to Iran with ‌his social media post about Iran's energy ‌hub of Kharg Island being blown to smithereens, Vice President ​JD Vance said on Monday.

"The president likes to switch it up on social media a little bit. He would be the first to say ‌he doesn't make ⁠announcements about military actions on social media, but I think that he's sending ⁠a message to the Iranians," Vance said when asked about Trump's post.

Trump's one-line social media post ​on Sunday ​was accompanied by an ​AI-generated video clip. A ‌U.S. official said on Monday the military had not targeted Kharg Island in overnight strikes. An Iranian official dismissed Trump's post as "laughable".

Attacking Kharg, which handled 90% of Iran's oil exports before ‌the war launched by U.S. ​and Israeli attacks on February ​28, would severely ​disrupt its energy trade and put ‌huge pressure on its economy.

In ​describing the ​first known U.S. military strikes since late July, a U.S. official said forces attacked two ​Iranian launchers ‌on Larak Island.

(Reporting by Ismail Shakil, writing ​by Michelle Nichols, editing by Ryan Patrick ​Jones and Bhargav Acharya)