Iranian state media reported explosions, including in the port city of Bandar Abbas on the strait and in Sirik, another southern coastal city.
Trump threatened to strike Iran’s civilian infrastructure, including electric plants and desalinization plants, and to seize Kharg Island.
Trump expressed frustration with allies who have been unwilling to do more to support the U.S. war effort, telling them to “go get your own oil.”
It's the second vote in as many days, after the Senate defeated a similar measure along party lines.
In addition to striking Tehran on the fifth day of the conflict, Israel hit the Iranian-backed Hezbollah militant group in Lebanon.
Qatari Foreign Ministry spokesman Majed Al Ansari vowed that Iranian attacks on the gas-rich country “will not go unanswered.”
The briefing comes as the conflict has intensified into a wider war in the region.
Both the House and the Senate have prepared war powers resolutions for votes this week.
The assassination of the second leader of the Islamic Republic, who had no designated successor, would throw its future into doubt.
President Trump says the U.S. military struck three sites in Iran, directly joining Israel’s effort to cut off the country’s nuclear program.