Tourists flee for their lives as flash floods wreak havoc in Marble Arch cave. Video footage shows a group of tourists ...

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Severe weather and heavy flooding struck parts of the Northeast and Mid-Atlantic over the weekend with 8 million people under a flood watch in the Midwest on Monday.

New York, North Carolina, New Mexico and Texas have all suffered serious flooding this month. Climate change is causing even more rain to fall during the heaviest storms.