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.

From a bomb shelter at Tel Aviv, our correspondent reports of the wail of sirens signaling incoming ballistic missiles the length of Israel Sunday evening.

Israel strikes Iran after neutralizing Hezbollah as Tehran’s response falters, exposing deep regional shifts and vulnerabilities.

The Lebanese militant group Hezbollah was long considered Iran’s first line of defense in case of a war with Israel