New York City, flash flood
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When the train doors opened, "quite a lot of water came in, so almost all of us stood up on the seats," a passenger told Newsweek.
Footage shows wooden slats from the home on the ground with other debris. The blast took place around the same time heavy rainfall hit the northeast.
A heat advisory takes effect today for much of the NYC area. Plus, a flood watch has been issued for northwestern parts of New Jersey.