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.

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

On the eve of President Donald Trump’s departure, Iran carried out retaliatory strikes at a U.S. base in Qatar. Trump said Monday that 13 of those missiles were intercepted and a 14th was off target.

In the days before Tuesday's NYC Democratic mayoral primary, candidates tried to make their closing arguments with a shared focus on standing up to the White House.

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

Officials in South Dakota are pushing hard to build President Donald Trump’s proposed National Garden of American Heroes in the Black Hills near Mount Rushmore

The Supreme Court handed Trump a major win by allowing officials to resume deportation of migrants to third countries without additional due process requirements.

Most Trump voters contacted by ABC News support strikes on Iran and say they trust Trump to protect American interests while keeping the U.S. out of a prolonged conflict.

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.

President Donald Trump's strike against Iran will be met with pushback on Capitol Hill this week as some lawmakers argue the military action was unconstitutional.

This week stands to be not only one of the most consequential of Trump's presidency on the international stage, but also perhaps in domestic policy as well.

President Donald Trump warned Iran against retaliation several times following U.S. strikes against Tehran's nuclear facilities on Saturday night.

President Donald Trump’s media company plans to buy back up to $400 million of its stock, which have lost 46% of their value this year

ABC News Chief Washington Correspondent Jonathan Karl spoke to President Donald Trump about what he hopes these attacks on Iran will accomplish.

President Donald Trump floated the idea on social media of a “regime change” in Iran after the United States carried out a strike on the country’s nuclear facilities.

ABC News’ Martha Raddatz reports on growing concern of the 40,000 troops spread from Iraq, Bahrain, Qatar and Syria becoming targeted after Iran strike.

ABC News' chief White House correspondent Mary Bruce reports President Donald Trump calling operation “Midnight Hammer” a "spectacular success" after striking Iran’s nuclear facilities.

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.

David Albright, President of the Institute for Science and International Security, discusses the possibility of a regime change in Iran.

Former U.S. Ambassador to NATO Lt. Gen. Doug Lute discusses Iran reactions and security concerns after strikes.

Suzanne Maloney of the Brookings Institution joins ABC News Live to discuss what the future of Iran and the United States' relationship looks like.

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

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

ABC News’ Jonathan Karl interviews Rep. Jim Himes, D- Conn., on “This Week.”

ABC News' Rachel Scott gives insight into the U.S. decision to attack Iran and lawmakers’ reactions.

Rep. Greg Stanton, D-Ariz., joins ABC News Live to discuss congressional leaders’ reactions to Saturday’s U.S. attacks on Iran.

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."

In the wake of President Donald Trump's "massive precision strikes" on Iran, concerns have been raised both for Americans in the region and at home.

The United States struck three nuclear sites in Iran on Saturday, plunging the U.S. into a battle waged over the past several days between Israel and Iran.

Lawmakers expressed surprise after the President Trump announced the U.S. had attacked three Iranian nuclear sites.

A U.S. attack on Iran's key underground nuclear facility would not be a guaranteed success, according to a national security expert.

He said Friday it would give time for Iranians to "come to their senses."

President Donald Trump addresses the nation from the White House.

James Acton, co-director of the Nuclear Policy Program, discusses the problems U.S. and Israel will have in ending Iran’s nuclear program.

President Trump said he wanted his legacy to be that of a "peacemaker and a unifier." Six months into his term, conflicts are raging on three fronts.

President Donald Trump addressed the nation after the United States struck three nuclear sites in Iran on Saturday.

Lawmakers expressed surprise after the President Trump announced the U.S. had attacked three Iranian nuclear sites.

President Donald Trump announced on social media Saturday night that the U.S. attacked three nuclear sites in Iran, "including Fordow, Natanz, and Esfahan."

Known as the Joint Comprehensive Plan of Action, or JCPOA, the deal followed two years of negotiations during the Obama administration.

Sources have told ABC News that former White House adviser and podcaster Steve Bannon is playing a role in President Donald Trump’s decision to attack Iran.

MAGA star Steve Bannon plays outsized role in Trump's Iran decision: Sources

The president, along with his national security team, is weighing the decision over whether to strike Iran or not.

Donald Trump says his two-week window will let Iranians "come to their senses."

Retired four-star Army Gen. Robert Abrams reacts to the two-week deadline set by President Donald Trump to decide on a possible Iran strike.

President Trump, taking reporter questions after arriving in New Jersey on Friday afternoon, was asked for the calculus behind his two-week timeline to make a decision on whether to strike Iran.

President Donald Trump's consideration of bringing the United States into Israel's conflict with Iran has reignited tensions inside the Republican Party and Trump's base.

President Trump has asked an appeals court to delay arguments scheduled for next week in his appeal of the $83 million defamation case brought by E. Jean Carroll.

Some 4,000 National Guardsmen and 700 Marines were ordered to the Los Angeles area following protests over immigration raids.

European leaders are meeting with Iranian diplomats in Geneva on Friday, attempting to reach a diplomatic resolution that would prevent Iran from developing its nuclear weapons program.