Crude oil futures rose more than 2% Tuesday, after President Donald Trump called for the evacuation of Tehran as Israel and Iran traded strikes for a fifth day.U.S. crude oil increased $1.52, or 2.10%,

Trump issued a warning that "everyone should immediately evacuate Tehran," without offering any details on why.

He refutes French President Macron's comments that he's returning to the US to work on a truce, after earlier telling people in Tehran to evacuate.

More detail: Trump has said for days that Iran should make a nuclear deal with the U.S. But his message became more dire as he warned the Iranian capital's roughly 10 million residents to flee in the dead of night.

Trump arrived at the White House early Tuesday at a moment of choosing in his presidency. Israel, with five days of missile strikes, has done considerable damage to Iran and believes it can now deal a permanent blow to Tehran’s nuclear program — particularly if it gets a little more help from the Republican president.

Blasts have been heard in Tehran and sirens have sounded in Israel as US president convenes National Security Council.

After canceling negotiations with the U.S. scheduled for Sunday, Tehran has signaled it is willing to talk.

Israel has no intention of deliberately harming the residents of Tehran, Israeli Defence Minister Israel Katz said, walking back earlier comments he had made on Monday. "I wish to clarify the obvious: there is no intention to physically harm the residents of Tehran as the murderous dictator does to the residents of Israel,