I was on an MTA train passing over it right when it happened. We thought something had exploded on the train. Luckily no one was harmed. We paused for a while.

I was on an MTA train passing over it right when it happened. We thought something had exploded on the train. Luckily no one was harmed. We paused for a while. Got an announcement from the conductor, then carried on into GCT. We were the last train in or out this morning.