Donald Trump calls for Tehran’s “unconditional surrender" as Israel increased strikes in Iran and Lebanon.

Days into its offensive against Hezbollah, Israel is massing armored vehicles near the Lebanese border for a potentially much larger ground incursion.

President Donald Trump said most of Iran’s military installations have been “knocked out” and that new strikes targeted Iranian leadership. Follow for live updates.

Israel resumed heavy strikes against Hezbollah in Beirut's southern suburbs and other areas Tuesday as its troops advanced into southern Lebanon.

Trump added that he had ordered oil tanker insurance support, a move that marks an aggressive step to try to contain soaring energy prices.

Iran has also struck energy facilities in Qatar and Saudi Arabia, and attacked several ships in the Strait of Hormuz, the narrow mouth of the Persian Gulf through which a fifth of all oil traded passes, sending global oil and natural gas prices soaring.

Follow live updates and the latest news coverage as Trump and Israel strike Iran, Israeli troops operate in Lebanon, and the U.S. Embassy in Riyadh is hit as Tehran strikes across the Middle East.

One person inside Iran says "every part" of the capital has been hit. Elsewhere, Israel says ground troops will advance in Lebanon, and Iranian strikes continue in the region.