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.

Iran-aligned Iraqi armed group Kataib Hezbollah warned on Sunday it would resume attacks on U.S. troops in the region if the United States intervenes in the conflict between Israel and Iran.

Israel and Iran have opened a new chapter in their long history of conflict when Israel launched a major attack with strikes early Friday on Tehran.

The most frightening scenario, considering the strategy Israel has employed in Lebanon, would be a series of attacks targeting lower-level figures, which could escalate to higher-level figures depending on the response or lack thereof, creating an even more frightening scenario than the current one.

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.

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

It follows daytime attacks from both sides, with Israeli strikes in Tehran continuing and Iran firing more missiles towards Israel.