"Today Iran will be hit very hard!" he wrote on Truth Social Saturday morning. "Under serious consideration for complete destruction and certain death, because of Iran's bad behavior, are areas and groups of people that were not considered for targeting up until this moment in time."

Trump's threat came after Iranian President Masoud Pezeshkian labeled the president's earlier call for Tehran's "unconditional surrender" a "dream that they should take to their grave" in a speech broadcast on state television Saturday.