Luke Garrett

Luke Garrett, NPR News, Washington.

United States Central Command reported the first casualties of the operation Sunday morning.

The attack against Iran started the day before.

On Saturday, Iranian state media confirmed the death of Supreme Leader Ali Khamenei.

Iran vowed retaliatory strikes and launched missiles.

President Trump warned Iran against revenge, threatening on social media the U.S.

would, quote, "...hit them with a force that has never been seen before."

Central Command did not say when or where the U.S.

troops were killed and seriously injured.

It did report that several other soldiers sustained shrapnel injuries and concussions.

Those troops are returning to duty, the Pentagon said.

Luke Garrett, NPR News, Washington.

U.S.

Secret Service said a man in his early 20s unlawfully entered the secure perimeter at Mar-a-Lago.

Officials said the man was carrying a shotgun and a fuel can.

Secret Service agents and a deputy with the Palm Beach County Sheriff's Office confronted the man and asked him to drop his weapons.

Officials said the man raised his gun in a shooting position.

Agents and officers then shot and killed him.

He died at the scene.

No agents or officers were injured, and officials said no Secret Service protectees were present at the shooting.