Israel and Iran exchange missile attacks for a third day; nuclear sites hit, death tolls rise, airspace shut, U.S. warns Tehran against retaliation.

President Donald Trump on Sunday issued a stark warning to Iran against retaliating on U.S. targets in the Middle East while also predicting Israel and

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.

A sixth round of nuclear talks between the United States and Iran, previously scheduled for Sunday, was canceled amid escalating tensions between Israel and Iran.

Israel had prepared for the possibility that the war could last for weeks, but that timeline may now be shortened.

On Friday, Trump answered the question that had been gnawing at diplomats, analysts and even intelligence officials: whether the president of the United States would give the green light to an Israeli strike on Iran’s ... to rein in at war with Russia.

Israel's widespread airstrikes against Iran's nuclear program are stoking fears of a larger confrontation.

The United States is the main international backer of Israel, Iran's biggest regional foe. It is also a close ally of Sunni Gulf monarchies which for years pursued their own rivalry with the Islamic Republic, seeing it as their main regional threat.