Tonight the Secret Service opens fire on a suspected gunman while former President Trump was golfing, the FBI calling it a possible assassination attempt.

Mr. Trump is safe and unharmed the Secret Service rushing him to safety.

Authorities saying the suspect had an assault-style rifle and had these two backpacks.

The photos of police pulling him over and taking him in. What we're learning about

the Secret Service response just months after the failed assassination attempt in

Butler, Pennsylvania. The new precautions are now taking to keep the candidate safe.

Three Americans allegedly detained in Venezuela,

accused of trying to kill that nation's leader.

The historic SpaceX mission splashes back down to Earth the amazing images

NBC News exclusive video the Idaho murder suspect transported to the new city

where he'll be tried for killing four college students.

This is NBC Nightly News with Lester Holt.

Good evening, we're coming on the air with another horrific and historic moment in America. The FBI says there has been the was with an AR-style rifle. Secret Service says they found these two backpacks

at a GoPro camera before the suspect was then found in a car on I-95

and taken into custody.

For his part, Mr. Trump says he is glad to be alive.

This comes just months after a gunman grazed the Republican presidential candidates

ear during a rally in Pennsylvania. The Secret Service was blamed for allowing

that shooter to get too close. Tonight we are tracking the late-breaking

details, the political fallout, and what it means for keeping our leaders safe in

America today let's begin with Kathy Park in West Palm Beach Florida.

Tonight the FBI investigating what they say appears to be an apparent assassination attempt to former

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