There is a chance the U.S. will join Israel in striking Iran’s nuclear facilities, President Donald Trump told reporters on Wednesday, adding that “nobody knows” yet what he will decide.

“I may do it. I may not do it. I mean, nobody knows what I’m going to do,” Trump said in his first public comments about Iran after an hour-long Situation Room briefing on Tuesday. 

He said he told Israeli Prime Minister Benjamin Netanyahu to “keep going.” 

“So far he’s doing a good job,” Trump added. 

He acknowledged that some of his supporters “are a little bit unhappy” about his posture toward Iran, but added that there are “some people that are very happy.” Trump further threw his support behind Israel’s actions: “All I’m doing is saying you can’t have a nuclear weapon. I’m trying to do it nicely, and then on day 61, I said, let’s go,” he said. 

The president said that Iran has contacted the White House to talk about resuming negotiations. But Trump suggested the time for negotiations may have passed.

“Iran’s got a lot of trouble, and they want to negotiate. And I said, ‘Why didn’t you negotiate with me before all this death and destruction?’” Trump said. “Why didn’t you negotiate with me two weeks ago? You could have done fine. You would have had a country.”

Trump used the word “we” to describe the destruction of Iran’s air defense systems, without elaborating on the role the U.S. has played in assisting Israel. “We’ve totally captured the air,” Trump said Wednesday, following a post on Truth Social on Tuesday with similar language. 

In another Tuesday Truth Social post, Trump called for “UNCONDITIONAL SURRENDER.” He explained to the reporters, “That means I’ve had it. OK? I’ve had it. I give up. No more. Then we go blow up all the nuclear stuff that’s all over the place there,” said Trump. 

He offered stridently critical comments about the Islamic Republic. 

“For 40 years they’ve been saying, ‘Death to America, death to Israel,’ death to anybody else that they didn’t like. They were bullies,” Trump said of the Iranian regime. “They were schoolyard bullies, and now they’re not bullies anymore, but we’ll see what happens. Look, nothing’s finished until it’s finished.” 

Trump warned again that Tehran cannot be permitted to obtain a nuclear weapon — and intimated that Iran poses a direct threat to the United States.

“Is there anybody here that said it would be OK to have to have a hostile — very zealous, really — but to have a hostile country have a nuclear weapon that could destroy 25 miles, but much more than that, could destroy other nations, just by the breeze blowing the dust?” Trump asked. “That dust blows to other nations and they get decimated. This is just not a threat you can have. And we’ve been threatened by Iran for many years.”

At the end of the press conference, a reporter asked Trump for a message for Iranian Supreme Leader Ayatollah Ali Khamenei.

“Good luck,” Trump said. When asked when his patience will run out, Trump responded simply: “It’s already run out.”