ABC News’ Chief Foreign Correspondent Ian Pannell reports on the dueling missile strikes in Israel and Iran as the crisis between the two countries deepens.

The head of the International Atomic Energy Agency says there is a possibility of both radiological and chemical contamination within Iran’s main nuclear enrichment facility in Natanz

Israel expands strikes across Iran and sources tell ABC News President Trump rejected a plan to assassinate Iran's supreme leader.

ABC News contributor Darrell Blocker, a former CIA operative, discusses the Israel-Iran conflict.

This comes as aerial attacks between Israel and Iran continued into Sunday, marking a third day of strikes following Israel’s Friday attack.

President Donald Trump said Sunday that the U.S. is not involved in Israel's military strikes, but "it's possible we could get involved."

ABC News’ Marcus Moore and global affairs expert Dr. Qanta Ahmed discuss the escalating conflict between Israel and Iran.

On “This Week,” ABC News’ Chief Global Affairs Correspondent Martha Raddatz reports on Israel’s strikes on Iranian nuclear sites and Iran’s retaliation.

ABC News’ Martha Raddatz interviews Israeli Ambassador to the United States Yechiel Leiter on “This Week.”

Israel’s ambassador to the U.S., Yechiel Leiter, claimed that Israel had set Iran’s nuclear program back significantly, but that the full operation could take “weeks.”

Israeli fire crews responded to a reported missile fall among reports of damage in coastal and northern districts of Israel.

ABC's Marcus Moore in Ramat Gan, Israel, reports Iran calling off scheduled nuclear talks with the U.S. as Israel and Iran launch new waves of attacks.

Sirens are sounding in Tel Aviv as Israel Defense Forces said it has identified another barrage of missiles launched from Iran toward Israel.

Russian President Vladimir Putin and U.S. President Donald Trump have held a lengthy phone call to discuss the escalating situation in the Middle East and Ukraine peace talks

ABC News’ Marcus Moore reports live from a bunker in Tel Aviv as Iran launches a new wave of missile attacks on Israel.

Talks between the United States and Iran over Tehran’s nuclear program will no longer take place after days of Israel and Iran exchanging strikes.

The president called the strikes "excellent" and says there is "more to come".

IDF international spokesperson Nadav Shoshani joins ABC News Live to discuss the exchange of missiles between Israel and Iran Friday night.

Rep. Adam Smith (D-Wash.) joins ABC News’ Juju Chang to discuss the U.S. role in helping Israel shoot down Iranian missiles, and concerns about the U.S. being pulled further into the conflict.

Rep. Marlin Stutzman (R-Ind.) speaks with ABC News’ Juju Chang about his meeting with Israeli Prime Minister Benjamin Netanyahu and the U.S. role in the conflict between Israel and Iran.

Pres. Trump told ABC News Israel's attack on Iran was "excellent" and suggested there was "more to come."

A source tells ABC News that those killed in Iran during Israel's surprise attack, including top generals and scientists, were killed in a matter of minutes.

The U.S. is helping shoot down missiles targeting Israel, U.S. officials say.

US gas prices could rise within days, industry analysts said.

Mossad released footage that it said showed two agents on Iranian soil who deployed precision attack systems "designed to destroy Iranian air defense systems."

Dr. Michael Oren, former Israeli ambassador to the United States, weighs in on the escalating tension in the Middle East as Iran launched a barrage of missiles towards Israel.

Oil prices climbed more than 8% as the countries exchanged strikes.

Retired Army Col. Seth Krummrich discusses Friday's retaliatory strikes by Iran against Israel and how the U.S. may be assisting Israel.

The U.S. is assisting Israel in shooting down missiles targeting the country, a U.S. official confirmed to ABC News.

President Trump told ABC News the Israeli strikes on Iran were "excellent" and that there was "more to come."

Senior Fellow at the Independent Women's Forum Dr. Qanta Ahmed describes the ongoing aerial attack by Iran from a bunker in Israel.

Iran has launched missiles toward Israel, which defense systems are operating to intercept, the Israel Defense Forces said Friday.

Former U.S. Ambassador to NATO Doug Lute discusses how Iran might respond to Israeli strikes across the country on Friday morning.

There is an incoming Iranian attack on central Israel, an Israel Defense Forces official told ABC News.

The strike stoked concern among investors about a possible wider conflict across the Middle East, which accounts for a large share of global oil production. ABC News’ Alexis Christoforous reports.

Israel has launched what it is calling a "preemptive strike" against Iran and declared a state of emergency, according to Defense Minister Israel Katz.

Iranian state television footage shows burning and damaged buildings in Tehran after Israel announced it had launched a "preemptive strike" against Iran.

ABC News' Marcus Moore and Karen Travers, as well as contributor Javed Ali, a former Trump administration official and cybersecurity expert, discuss the strikes on Iran.

ABC News contributor Darrell Blocker, a former CIA operative, talks about intelligence exchanges and the “exponentially difficult” operation.

ABC News contributor and retired Col. Steve Ganyard discusses the "extraordinary" human intelligence behind the strikes on Iran.

Israel launched a series of strikes against Iran that included dozens of military targets, including the country's nuclear program, according to the Israel Defense Forces.

ABC News’ Chief Washington Correspondent Jon Karl has the president’s reaction to Israeli strikes on Iran.

The United States did not provide any assistance or have any involvement in the Israeli strike on Iran, two U.S. officials told ABC News.

ABC News’ Chief Global Affairs Correspondent Martha Raddatz reports on fears of escalations in the Middle East after Israel’s “preemptive” strikes on Iran overnight.

In a statement early Friday morning, Israeli Prime Minister Benjamin Netanyahu released a statement calling the dozens of strikes against Iran "successful."

Israel's series of strikes against Iran included country's nuclear program, according to the IDF. The U.S. insists it was not involved in the attack.

Israel has launched what it is calling a "preemptive strike" against Iran and declared a state of emergency, according to Defense Minister Israel Katz.

The U.S. currently has planned nuclear talks with Iranian officials this weekend. ABC News' Luis Martinez reports.

This will be the sixth round of talks between the U.S. and Iran since April.

"I am pleased to confirm the 6th round of Iran US talks will be held in Muscat this Sunday the 15th," Bad Albusaidi, the country's foreign minister said on social media.