Tonight, a holiday travel mess, Amtrak trains down for hours across the northeast, and the terrifying scene after a truck crashes right into a busy mall on this weekend before Christmas.

Trains halted from Philadelphia to Boston, thousands of passengers waiting for hours, so when will they be fully back on track?

How frustrated are you? I'm enraged. A high-speed police pursuit ends with the suspect speeding

into a JC Penny, plowing into shoppers. Police and security opening fire. Tonight, we hear from

survivors. I run up. I'm like, I got to get out of here. I got to go.

Two American pilots rescued after their fighter jet was shot down by their own military.

So how did this happen? The accused CEO killer in court tomorrow, his lawyer may finally

enter his plea. Skiers in Colorado stranded on gondolas.

How more than a hundred of them, look at that, had to repel down ropes to safety.

New fallouts from Blake Lively's sexual harassment allegations against her co-star, the major

talent agency that just dropped him. And home for the holidays. We are on board this

Navy ship as it returns to shore. The emotional reunions as Christmas wishes come true.

This is NBC Nightly News with Hallie Jackson. Good evening.

We're coming on the air with a new holiday headache for travelers trying to celebrate the season.

Major delays snarling train traffic on the East Coast.

Look at this.

Crowds of people stuck for hours in New York City and beyond to Boston and Philly because of down power lines.

The weather's mainly fine,

no big problems at the airport, but for folks who'd been looking for an alternative to flying

or driving, a messy start to the holiday travel stretch. And late tonight's service still is not

fully back on track. Priscilla Thompson starts us off. Line after line after line.

This was the chaotic scene at New York City's Penn Station today, where hordes of rail

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