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TMZ.com
3:16 PM PT — The full scope of the Nashville explosion can now be seen from both inside and out — because new footage has emerged that depicts a straight-on shot of the moment the RV went up in flames … all while people, including cops, were in close proximity.
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Check out this video that’s circulating on Facebook right now — which shows officers on the scene trying to evacuate the area. Word is that at least 4 cops were on the ground telling people to steer clear and to head back inside for cover, and very likely saved lives.
The street appeared to be…