Follow live NBC News coverage and latest updates as Trump says oil price rises are a small price to pay, Iran names Mojtaba Khamenei supreme leader and Israel strikes Tehran and Lebanon.

Mojtaba Khamenei becomes Iran’s supreme leader after Ali Khamenei’s death and rising tensions following U.S. Israeli strikes.

U.S. President Donald Trump has said Mojtaba Khamenei, son of the late Ayatollah Ali Khamenei, would be “unacceptable” for the position.

Iran's clerical leadership chose confrontation over compromise in appointing Mojtaba Khamenei.

Iran named the son of the late Ayatollah Ali Khamenei as its new supreme leader and President Donald Trump called $100 oil a “small price to pay,” with neither side showing any sign of deescalating a war now entering its 10th day.

Mojtaba Khamenei, son of Iran's current late Supreme Leader Ayatollah Ali Khamenei, was reportedly chosen as the next supreme leader under pressure from the IRGC.

Stocks in Asia and Europe fell, and U.S. futures were lower, as oil prices rose on fears of a prolonged U.S.-Israeli war with Iran. Top clerics selected Mojtaba Khamenei as Iran’s supreme leader, despite President Trump’s warning that he was “unacceptable.

Mojtaba Khamenei, the son of Iran's Ayatollah Ali Khamenei, who was killed in US-Israeli strikes, has been chosen as his successor. Unlike his father, the 56-year-old has largely kept a low profile. He has never held government office,