Photos of the Israel-Gaza-Lebanon-Syria conflict.

President Donald Trump again claimed "total obliteration" of Iran's nuclear program during the NATO summit in the Netherlands on Wednesday.

Michael Masters, national director and CEO of the Secure Community Network, discusses conference calls held over the weekend with several of the nation's governors and top law enforcement officials.

Arash Azizi, author and contributing writer at The Atlantic, discusses the current political climate inside Iran following U.S. strikes on the country's nuclear facilities.

The former DHS assistant secretary for counterterrorism, Elizabeth Neumann, says the U.S. would be “foolish” to think that Iran won’t seek revenge for recent strikes on its nuclear sites.

President Trump warned Iran against retaliation several times after the U.S. struck Tehran's nuclear facilities. On Monday, Tehran targeted a U.S. military base.

Officials told ABC News that an initial intelligence report assessed that strikes on Iranian facilities did not completely destroy the country's nuclear program.

ABC News’ Ian Pannell reports on the latest developments in the Middle East since the ceasefire agreement between Israel and Iran was announced.

The past 24 hours in the Israel-Iran war have been a whirlwind for President Donald Trump's diplomatic efforts to bring peace to the region.

Pope Leo XIV is urging the warring sides in the Israel-Iran war to “reject the logic of bullying and revenge.”

Sources tell ABC News it’s too early to declare the U.S. and Israeli missions successful.

Lawmakers will be looking for answers and evidence from the administration.

Forty-nine people were killed in Gaza at various locations while attempting to receive food aid Tuesday, the Hamas-run Gaza Ministry of Health said.

Javed Ali, a former National Security Council director, weighs in on President Donald Trump’s claim that the war between Israel and Iran will end if the ceasefire holds through the night.

Trump arrived at the NATO summit in the Netherlands days after he launched strikes against Iran and hours after he announced a Israel-Iran ceasefire.

President Trump blurted out an expletive as he aired frustration with Israel and Iran, accusing both nations of violating a ceasefire agreement.

Families of prisoners in Tehran's Evin Prison have been sharing accounts from their loved ones after a strike by the IDF on Monday damaged parts of the prison.

Rep. Rob Wittman, R-Va., vice-chair of the House Armed Services Committee, says President Donald Trump “took advantage of an opportunity” that was opened by Israel.

ABC News security contributor Steve Hill says it’s in “all parties' interests” for the current ceasefire to hold.

ABC News’ Selina Wang, James Longman and contributor Darrell Blocker discuss the state of the ceasefire between Israel and Iran.

Michael Oren, former Israeli ambassador to the U.S., says many things are possible in the Middle East, “if Iran is truly neutralized.”

Retired Army Maj. Mike Lyons says a ceasefire isn’t in Israel’s best interests because they have Iran “on the ropes.”

After 12 days of deadly attacks, President Donald Trump announced a ceasefire between the two countries, but Israel has already accused Iran of violating this agreement, which Iran denies.

Within hours of the ceasefire coming into force, the IDF said it detected missiles launched toward Israel from Iran, which the Iranian army denied, and said it would respond "with force.”

ABC News’ Chief Global Affairs Correspondent Martha Raddatz explains the potential impact of the fragile ceasefire between the two Middle Eastern countries.

President Donald Trump on Tuesday morning warned Israel not to violate the nascent ceasefire with Iran by launching new military strikes.

Israel and Iran have agreed to a complete and total ceasefire, set to begin at about midnight, President Donald Trump announced social media.

Trump's decision to order strikes on Iranian nuclear facilities appeared to bring most of the Republican Party back into support of the president.

Iran's Supreme Leader Ayatollah Khamenei has not been seen in public for nearly two weeks.

A ceasefire deal has been reached between Israel and Iran, Pres. Trump announced. It comes on the heels of Iran's retaliatory strikes on the Al Udeid Air Base – the largest U.S. base in the region.

President Donald Trump announced on social media that Israel and Iran have agreed to a complete and total ceasefire, set to begin in approximately 6 hours.

International Crisis Group Iran project director Ali Vaez discusses the future of U.S.-Iran negotiations following Iran's retaliatory attack on a U.S. air base in Qatar on Monday.

Qatari air defenses "successfully intercepted" a missile attack targeting Al Udeid Air Base, the Qatari Defense Ministry said.

The attack on three Iranian nuclear sites over the weekend, code-named “Operation Midnight Hammer,” was carried out in secrecy and included the largest strike by B-2 stealth bombers in history.

"GMA" examines how the recent strikes in Iran, targeting its nuclear program, are impacting the current threat environment in the United States.

The IDF said on X that it detected the launch of a new barrage of ballistic missiles from Iran on Monday and that Israeli warplanes began a "wave of attacks on military targets in Tehran."

ABC News contributor Steve Ganyard discusses the U.S. military's role in Saturday's strike on Iran and how the U.S. will be able to determine how much damage was done to Iran's nuclear program.

Rep. Jim Himes said it was still too soon to know if U.S. strikes against Iranian facilities had substantially weakened the country’s nuclear program.

ABC News’ Ines de La Cuetara joins Live to discuss reactions to the U.S. airstrikes on Iranian nuclear sites.

The United State's bombing of Iran's nuclear sites used decoy fighters and "misdirection" to carry out the secret operation, Defense Secretary Pete Hegseth said.

ABC News’ Jonathan Karl interviews Senate Intelligence Chair Tom Cotton, R- Ark., on “This Week.”

On “This Week,” ABC News’ correspondents and contributors report on the United States strikes on Iran.

Capitol Hill erupts in conflict over President Trump's decision to strike Iran.

Code-named "Operation Midnight Hammer," the top-secret U.S. attack on Iran's nuclear facilities was launched overnight .

ABC News’ Ian Pannell takes a look live from Tel Aviv.

On Saturday evening, President Donald Trump ordered a coordinated strike on Iran's nuclear program, the president calling it "a spectacular success."

President Trump has said all of Iran's nuclear sites had been "obliterated."

Vice President JD Vance said Sunday that despite the U.S. strikes on Iran's nuclear sites last night, the U.S. is not at war with Iran.

ABC News senior Pentagon reporter Luis Martinez has the latest on the U.S. attacks on Iran.

Defense Secretary Pete Hegseth said the strikes on Iran's nuclear program were "intentionally limited."