Transcript for 19 People Injured in NYC Subway Crash
investigating his contact on his route from Saudi Arabia to Chicago through Indiana. And now a train accident, a New York City subway derailed. Hundreds of people forced to climb to the street. Ron Claiborne has the story. Reporter: It happened just before 10:30 this morning, aboard a subway train packed with about 1,000 passengers. We were literally just sitting on the train like Normal, and then the train just jerked so fast. Reporter: The middle six cars derailing while rolling down the track. Some passengers panicked, mistaking a thick dust cloud for smoke. I started to freak out. Can you please sit down? Reporter: It took more than an hour to get all those people off the subway, first responders leading them in small groups to safety. In March, it was a Chicago subway crashing at an airport station. Dozens injured. The operator of that train admitted dozing off. In today's subway incident, 19 people were injured. The cause is still under investigation. Ron Claiborne, ABC news, queens, New York.
This transcript has been automatically generated and may not be 100% accurate.