President Donald Trump urged civilians living in Tehran to evacuate the Iranian capital “before there is nothing left.”

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President Trump left the G7 summit in Canada a day early to push for an Israel-Iran ceasefire.Defense Secretary Pete Hegseth said the growing US military presence in the region was “defensive,” and said Trump still wants a deal over Iran’s nuclear program.Progressive and conservative lawmakers said they would try to pass a resolution barring Trump from attacking Iran without Congressional approval.

WASHINGTON − President Donald Trump urged residents of Tehran to evacuate immediately after telling the country it should have signed a nuclear deal with the United States when talks were on the table.

The president is leaving the Group of Seven summit in Alberta, Canada, where he and other world leaders were discussing the now five-day-old shooting war between Israel and Iran.

Trump has said for days that Iran should make a deal. But his message became more dire as he warned the Iranian capital’s roughly 10 million residents to flee in the dead of night.

“IRAN CAN NOT HAVE A NUCLEAR WEAPON. I said it over and over again! Everyone should immediately evacuate Tehran!” he said in a post on Truth Social.

The warning came as Israel stepped up attacks on Iranian cities, and the warring nations exchanged volleys of air strikes.

Here’s what to know about Trump, the Iran-Israel conflict, and what might come next.

Trump working on a ceasefire, French president says

French President Emmanuel Macron said Trump’s early departure from the G7 was positive, a move to get Israel and Iran to agree to a U.S.-proposed ceasefire.

“There is an offer that has been made, especially to have a ceasefire and to initiate broader discussions. And I think this is a very good thing,” Macron told reporters. “So now we need to see what the stakeholders will do.”

Earlier in the day, Trump teased a possible U.S. proposal, telling reporters, “They have to make a deal.”

“And it’s painful for both parties,” he said “but I’d say Iran is not winning this war, and they should talk, and they should talk immediately before it’s too late.”

U.S. posture is ‘defensive,’ Hegseth says

Defense Secretary Pete Hegseth told Fox News the U.S. still wants a nuclear deal with Iran.

“Of course,” Hegseth said on “Jesse Watters Primetime. ”We are postured defensively in the region to be strong in pursuit of a peace deal. And we certainly hope that’s what happens here.”

Sanders, Massie, Khanna and AOC join forces to prevent U.S. strike on Iran

A number of prominent members of Congress said they will cosponsor measures to block the United States from going to war with Iran.

Rep. Thomas Massie, a self-described “constitutional conservative” Republican from Kentucky, announced a measure “to prohibit our involvement,” and invited all members of Congress to cosponsor it. 

“This is not our war. But if it were, Congress must decide such matters according to our Constitution,” Massie posted. 

The invitation drew enthusiastic agreement from progressive Democratic Reps. Ro Khanna of California and Alexandria Ocasio-Cortez of New York.

“No war in Iran,” Khanna posted. “It’s time for every member to go on record. Are you with the neocons who led us into Iraq or do you stand with the American people?” 

An hour later, Sen. Bernie Sanders, the left-wing independent from Vermont, announced he had just “introduced legislation to stop Trump from… leading us into an illegal war with Iran.”

Sen. Tim Kaine, D-Va., said earlier on June 16 he would introduce a war powers resolution in the Senate. “It is not in our national security interest to get into a war with Iran unless that war is absolutely necessary to defend the United States,” he said.

Iran wanted Trump to rein in Israel

“If President Trump is genuine about diplomacy and interested in stopping this war, next steps are consequential,” Iran’s Foreign Minister Abbas Araqchi said on X, imploring Trump to intervene with Israeli Prime Minister Benjamin Netanyahu.

Sources told Reuters that Tehran had asked Qatar, Saudi Arabia and Oman to press President Donald Trump to use his influence on Netanyahu and push for an immediate ceasefire. In return, Iran would show flexibility in nuclear negotiations, said the two Iranian and three regional sources.

Israel launched a powerful attack; Iran struck back

Israel struck first on June 13. In a surprise attack, it killed top military commanders and nuclear scientists. Airstrikes on Iran have also taken at least two of Iran’s uranium enrichments sites offline.

Iran has retaliated with waves of ballistic missiles that have pierced Israel’s defenses, striking residential neighborhoods.

Israeli Prime Minister Benjamin Netanyahu told troops at an air base that Israel was on its way to achieving its two main aims: wiping out Iran’s nuclear program and destroying its missiles.

By midday on June 16, officials from each country said 224 Iranians and 24 Israelis had been killed in the conflict.

Trump leaves summit: ‘I have to be back’

Trump was at the Group of Seven Summit in Canada when he sent his stark warning to Iran. Not long after, the White House abruptly said he would return to Washington early to focus on the deepening conflict.

At a photo with world leaders, Trump told reporters: “I have to be back early.”

“You probably see what I see, and I have to be back as soon as I can,” the president said. Secretary of State Marco Rubio was also leaving Canada for Washington.

Trump said leaders at the summit understood why he was leaving halfway through the two-day event.

Late on June 16, G7 released a statement showing support for Israel, while labeling Iran a source of instability. The statement called for peace and stability in the Middle East.

The White House provided little information about Trump’s expected exit from the gathering of the nation’s most advanced economies, other than to indicate it was related to the situation in the Middle East.

As the first day of the gathering wound down, White House Press Secretary Karoline Leavitt said in a post on X that Trump was leaving early. “Much was accomplished, but because of what’s going on in the Middle East, President Trump will be leaving tonight after dinner with Heads of State.”

Trump’s early departure from the summit means bilateral meetings with the leaders of Mexico and Ukraine will no longer happen.

Trump’s administration warned Americans not to travel to Israel earlier in the day as Iran retaliated against Israel for last week’s strikes.

Contributing: Ben Adler, USA TODAY; Reuters.