U.S. President Donald Trump said on Wednesday that the fall of Iran's leadership 'could happen' and that he has not made a decision on how to proceed with Iran.

Trump said he will hold a meeting later in the day in the White House Situation Room.

The president said Iran wants to meet, and the U.S. side "may do that." He said Israel is doing well in its attacks aimed at dismantling Iran's nuclear facilities. Trump said he believed that Iran was close to developing a nuclear weapon before the attacks began.

He dismissed concerns raised by some of his supporters about a possible U.S. military intervention in Iran.

When a CNN reporter asked him about the rift within his base, he said of the news broadcaster: " Fake News, fortunately, nobody watches it..."