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

Aerial attacks between Israel and Iran continued overnight into Tuesday, marking a fifth day of strikes following Israel's Friday attack. That surprise operation hit at the heart of Iran's nuclear program, striking key facilities and killing several nuclear scientists as well as high-ranking military leaders, according to Israeli officials.

President Trump returned to Washington on Tuesday to deal with the war between Iran and Israel, as the two sides exchanged deadly fire for a fifth day and Israeli officials pressed the United States to join its military campaign against Tehran.