The president’s ominous evacuation warning came hours after the Israeli military told residents in some parts of Tehran to leave as it struck a state television complex in the city.

President Donald Trump urged civilians living in Tehran to evacuate the Iranian capital 'before there is nothing left'

Later Monday, Trump posted on his social media site an ominous message calling for the immediate evacuation of Tehran, Iran’s capital. He made the post while in Canada attending the G7 summit.

Markets are concerned about Iran's frequent threats to blockade the Strait of Hormuz, just as the US heads into peak summer demand season.

U.S. stock futures slipped and oil prices rose on Tuesday, as investors were rattled by U.S. President Donald Trump's call for everyone to evacuate Tehran with the fifth-day of Israel-Iran fighting sowing fears of a broader regional conflict.

Tehran has asked Qatar, Saudi Arabia and Oman to press U.S. President Donald Trump to use his influence on Israel to agree to an immediate ceasefire with Iran in return for Tehran's flexibility in nuclear negotiations,