CNBC's Megan Cassella reports on the latest developments in the Israel-Iran conflict. Massive Atlantic great white shark tracked heading to tourist-filled US coast

Israel and Iran have attacked each other for a fifth straight day on Tuesday with President Donald Trump urging Iranians to evacuate Tehran.

As the US pivoted towards a heightened military posture in the region, the big question was whether Trump intended to enter the conflict or whether he was using the apparent threat of military action ...