The conflict, the most intense fighting between the two countries in decades, has been met in the United States with feelings of “frustration and helplessness,” as well as heartbreak.

Israel had a plan to assassinate Iranian Supreme Leader Ayatollah Ali Khamenei, but President Trump vetoed the operation, according to reports.

DUBAI — Israel unleashed airstrikes across Iran for a third day Sunday and threatened even greater force as some Iranian missiles evaded Israeli air defenses to strike buildings in the heart of the country. Planned talks on Iran’s nuclear program, which could provide an offramp, were canceled.

Israeli Prime Minister Benjamin Netanyahu discusses why Israel carried out their strikes on Iran’s nuclear facilities, intel shared with the United States and more on ‘Special Report.’

The United States is shifting military resources in the Middle East in response to Israel’s strikes on Iran and a possible retaliatory attack by Tehran.

Israel launched an expanded assault on Iran on Sunday, targeting its energy industry and Defense Ministry headquarters, while Tehran unleashed a deadly barrage of missiles.