Air defense sounds reported in Tehran, according to Mehr News. The cause of the activity remains unclear.

US military helicopters destroy two Iranian naval vessels near the Strait of Hormuz during Operation Freedom. Iran claims the vessels were civilian cargo ships and reports five fatalities in the engagement.

US Central Command reported that US military helicopters destroyed two Iranian naval vessels near the Strait of Hormuz during Operation Freedom. Iran disputed the account, stating that the vessels were civilian cargo boats and that five people were killed in the incident.

USS Truxtun and USS Mason successfully transit Strait of Hormuz after repelling an Iranian attack involving missiles, drones, and fast-attack boats. Pentagon officials confirm no U.S. vessels were struck during the engagement in the Persian Gulf.

Two U.S. Navy destroyers, the USS Truxtun and USS Mason, were targeted by Iranian missiles, drones, and fast-attack boats while transiting the Strait of Hormuz on Monday, according to Pentagon officials cited by CBS News. No U.S. vessels were struck during the engagement, and both ships have since reached the Persian Gulf.

Two US Navy destroyers enter the Persian Gulf after repelling an Iranian barrage of missiles, drones, and small boats in the Strait of Hormuz.

Two US Navy destroyers have entered the Persian Gulf after successfully repelling an Iranian attack involving missiles, drones, and small boats in the Strait of Hormuz.

Iran's Tasnim news agency reports five civilians killed in U.S. attacks on cargo boats.

Iran's Tasnim news agency reports that five civilians were killed in U.S. attacks on cargo boats.