President Donald Trump has dismissed the assessment of U.S. spy agencies that Iran wasn't building a nuclear weapon before the latest conflict with Israel.

President Donald Trump directly threatened Iran’s Supreme Leader Ayatollah Ali Khamenei on Tuesday and alluded to the possibility the U.S. could strike Iran, demanding an “UNCONDITIONAL SURRENDER” as speculation looms over the president’s next move.

Israel ‘hits Tehran centrifuges’ after officials say Trump is considering joining strikes - Israeli strikes killed nearly 600 in Iran as conflict between the two nations enters a sixth day

Israel has been attacking Iranian military and nuclear sites for days to, it says, stop Tehran from building a bomb.

President Donald Trump called on Tuesday for Iran's unconditional surrender and warned U.S. patience was wearing thin, but said there was no intention to kill Iran's leader "for now", as the Israel-Iran air war entered a sixth day.

President Donald Trump faced one of the most monumental decisions of his presidency on Tuesday as he debated whether to join a war against Iran that risked sucking Washington into a new Middle Eastern conflict but also offered the chance to eliminate a rival’s nuclear program.

As an unprecedented conflict between Israel and Iran dragged on into a fifth day, President Donald Trump has increasingly indicated that he was seriously considering a direct intervention in the fight.