Former Vice President Mike Pence said on “State of the Union” Sunday that if Israel’s attack doesn’t somehow convince Iran to make major concessions in Trump’s diplomatic attempt to end its nuclear program, then the United States should be prepared to join the conflict.

Israel and Iran both have little incentive to stop and no obvious route to outright victory. Much depends on President Trump.

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.

U.S. President Donald Trump warned on Sunday that any attack against the U.S. will be met with the "full strength and might" of the U.S. military.

Iran launches missiles at central and north Israel as the Israeli military carries out further strikes in Iran.

Israel’s attack on Iran was long in the making – the result of years of meticulous planning by Israel and days of high-stakes talks between Tel Aviv and Washington, officials told CNN.

Trump, who turned 79, said: "President Putin called this morning to very nicely wish me a Happy Birthday, but to more importantly, talk about Iran."

President Donald Trump's eventful week included securing a preliminary trade deal with China, deploying National Guard troops to Los Angeles, and responding to Israel's strikes on Iran.