Massive Christmas Day explosion rocks U.S. city of Nashville

01:18

An early morning explosion has rocked the U.S. city of Nashville, Tennessee. 3 are being treated for non-critical injuries after an RV exploded in the downtown area. Police say they feel there is no further concern for the area.

Flights out of Nashville airport halted because of telecommunications issues associated with explosion downtown.

Police also said they responded to a call of shots fired in downtown Nashville. They found a recording inside an RV saying a potential bomb would explode in 15 minutes. Officers then evacuated the area.

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