Dozens of others were injured overnight across Israel, the authorities said. Israel was striking military sites in Iran and the four-day-old conflict showed no sign of slowing.

One missile fell near the American consulate in Tel Aviv, causing minor damage, U.S. Ambassador Mike Huckabee said.

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

CONFLICT ENTERS FOURTH DAY: Israel and Iran have begun a new round of attacks, as the conflict between the two heavily armed rivals enters its fourth day.

Israel accused Iran of hitting civilian areas in its retaliatory strikes, also resulting in deaths. Israel accuses Iran of seeking to build a nuclear bomb—a mission it now sees as intolerably close to fruition,

Iran fired a new wave of missile attacks on Israel early Monday, triggering air raid sirens across the country as emergency services reported at least five killed and dozens more wounded in the fourth day of a conflict between the regional foes that showed no sign of slowing.

A Democratic senator introduced legislation to prevent President Donald Trump from using military force against Iran without Congress's authorization.

A Democratic senator introduced legislation on Monday to prevent U.S. President Donald Trump from using military force against Iran without Congress's authorization, as an escalating battle between Israel and Iran raised fears of broader conflict.

Trump said Sunday he remained optimistic about Israel and Iran reaching a deal, but added "sometimes they have to fight it out."

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