Tonight, another frightening plane incident.

The evacuation after a fire on a United flight, while in Philadelphia, a search for answers after that medical plane crash.

Terrifying videos from on board a United flight during takeoff from Houston.

A fire near the wing. Look at that.

Then the evacuation. We hear from passengers on board. Seeing the smoke off the wing

was really scary. The emotional visit for families of victims to the site of the American Airlines

crash as the military now identifies the full crew of the helicopter that collided with it. One crew

member sometimes worked White House events and the parents of another share their son's story with us. One crew member sometimes worked White House events, and the parents of another

share their son's story with us. In Philadelphia, investigators searching for answers after

that medical jet crashed, killing seven, and the up-close video tonight, the crater it left behind.

New retaliation after President Trump launched a massive trade war, hitting goods from Canada,

Mexico, and China, with tariffs as high as 25 percent. Plus, what it means for the price,

you pay. Smartphone costs could spike $200, and where Canadians are now booing the U.S.

National Anthem. Secretary of State Marco Rubio touring the Panama Canal

on his first foreign visit, what he says about the U.S. taking it back. Our Andrea Mitchell is there.

This is NBC Nightly News with Hallie Jackson. Good evening. We are coming on the air with a scary

moment for passengers on board a United Flight in Houston, which had to be evacuated before takeoff because of an engine problem. I want to show you here. Passengers could see smoke and flames. Look at that through the windows before being told to get off the plane. You saw some folks sliding out those emergency shoots that deployed.

No one was hurt.

And while statistically speaking, commercial air travel is considered very safe.

It is yet another incident putting passengers on edge.

It comes as we're learning more tonight about the victims of the deadly medical plane crash that sent fiery debris into northeast Philly.

And then here in Washington, on that very same runway where that American Airlines regional plane was supposed to land Wednesday, instead tonight family members

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