Former Vice President Mike Pence said on “State of the Union” Sunday that if Israel’s attack doesn’t somehow convince Iran to make major concessions in Trump’s diplomatic attempt to end its nuclear program, then the United States should be prepared to join the conflict.

Israel and Iran exchange airstrikes targeting military sites and nuclear facilities, with Trump comments on the conflict and expressing optimism for diplomatic resolution.

"The full strength and might of the U.S. Armed Forces will come down on you at levels never seen before," Trump warned.

President Trump rejected an Israeli plan in recent days to kill Iran's Supreme Leader Ayatollah Ali Khamenei, a senior U.S. official told USA TODAY.

Israel hit more targets in Tehran and Iranian missiles fired at Israel killed at least 14, as the conflict entered a third day

President Trump opposed a recent Israeli plan to kill Iran's Supreme Leader Ayatollah Ali Khamenei, three U.S. officials told CBS News on Sunday.

The former Fox News host accused Trump of being “complicit” in Israel’s “act of war” following Israel’s recent military strikes on Iran.

Iran and Israel continued on Sunday their aerial attacks, which began Friday with a series of Israeli strikes on Iran.

President Trump vetoed a plan presented by Israel to the U.S. to kill Iran’s Supreme Leader Ayatollah Ali Khamenei.