'Tremendous damage' as 2 twisters reportedly touch down in Dallas area
there's a video ... etc.
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Live video showed a huge funnel cloud moving through a populated area as flashes of exploding power lines lit the sky. Vehicles were thrown across a major interstate.
Other video showed large trucks being flung through the air. "There's lots of 18-wheelers," said an NBCDFW correspondent near Arlington. "I've never seen this before."