President Donald Trump said the United will come down on Iran “at levels never seen before” if the Middle Eastern country attacks.

President Trump told The Wall Street Journal that he and his team were aware of Israel’s plans to attack Iran. Asked what kind of heads-up the U.S. got ahead of the attack, Trump said in a brief phone interview on Friday morning,

The Israeli military warned Iranians living near nuclear reactors to evacuate, while Prime Minister Benjamin Netanyahu said the attacks by Israel so far were nothing compared with what Iran would see in the coming days.