Parsons Green Terror Attack - witness soundbite

The transcript describes a scene where people are running and emergency services are responding. The public reacts with a mix of confidence and alarm. Some individuals are kept waiting for an hour and a half before departing and returning along the tracks.

What did the people do when the emergency services arrived?

How did the people react during the emergency situation?

What was the general mood of the kids mentioned in the text?

What was the duration of time mentioned that people were kept in a certain location?

What happened when they departed from the front of the train?