Tonight, the battle over deportation, the president of El Salvador refusing to release a Maryland

father sent to that notorious prison, despite the Supreme Court ordering the Trump administration

to facilitate his return. The White House now arguing his deportation was not a mistake,

plus another Columbia University student detained. Meanwhile, Harvard University

rejecting the Trump administration's demands amid threats to cut funding. The man accused of

torching the home of Pennsylvania Governor Shapiro arraigned the striking new images of the

damage inside his home. Plus, what we're learning about the suspect's online

behavior. Also, the man arrested at United Healthcare's headquarters months after the CEO was

killed, what we're learning? The mounting confusion over what's next in the president's trade war.

I'm a very flexible person. I don't change my mind, but I'm flexible.

Will smartphones and other electronics be exempt?

The chopper company behind the fatal crash and the Hudson River closed as more questions arise

about the safety of air tours.

The FDA warning about a counterfeit version of the popular weight loss drug, Ozempic,

what you may need to check to stay safe.

And the good news will introduce you to the all-female star-studied crew that launched into space and the history books today.

This is NBC Nightly News with Lester Holt.

Good evening and welcome.

A key ally in the Trump administration's mass deportation plan today inserted himself in a growing legal standoff over the fate of a man the Justice Department has said was mistakenly deported from the United States.

The president of

El Salvador during a White House visit telling reporters he will not send the man back to the United

States, saying he didn't have the power to return him. The case of Kilmar-Abrego-Garcia

...