Iran's Supreme Leader Ayatollah Ali Khamenei said separatists who killed at least 25 people at an Iranian military parade are linked to the U.S. and Saudi Arabia, and he threatened that those responsible "will certainly be severely punished."

A group called Al-Ahwaz reportedly claimed responsibility for Saturday's violence.

As the son of a grand wizard of the Ku Klux Klan, Derek Black was once the heir apparent of the white nationalist movement.

Growing up, he made speeches, hosted a radio show, and started the website KidsStormfront — which acted as a companion to Stormfront, the white nationalist website his father, Don Black, created.

When President Trump delivers his speech to the United Nations General Assembly on Tuesday, one phrase is unlikely to show up: "rocket man."

A lot has changed since Trump used that derisive nickname for North Korean leader Kim Jong Un during his address at the U.N. last year — remarks where he also said the United States would "totally destroy" North Korea if necessary.

International charities are reeling after Panama revoked the registration for a search-and-rescue ship they say is the only one of its kind in the central Mediterranean used to save migrants in danger. They say it amounts to a death sentence for hundreds of people trying to reach safety.

A new state political action committee with a high-profile co-chair from California and national financial backing has launched a campaign to unseat Washington state legislator Matt Manweller.

The campaign, which launched Monday morning, comes as Washington House Republican leaders have asked Manweller to resign his seat following a report by the Northwest News Network last week on an alleged underage relationship Manweller had with a former high school student in 1997. Manweller was expected to respond to the call for him to resign later Monday. 

Updated at 1:32 p.m. ET

Deputy Attorney General Rod Rosenstein remained in his job on Monday afternoon after a visit to the White House that sparked a flurry of reports suggesting he might resign or be fired.

A person close to Rosenstein said he was expecting to be fired after the New York Times story on Friday about his early tenure in office.

Updated at 2:00 p.m. ET

President Trump is standing by Supreme Court nominee Brett Kavanaugh after another round of allegations of inappropriate sexual behavior, this time from when Kavanaugh was a student at Yale.

Kavanaugh denounced the charges as "smears," and said he will "not be intimidated into withdrawing from this process."

Trump, speaking to reporters on his way into the United Nations on Monday morning, said Kavanaugh "is an outstanding person, and I am with him all the way."