Vehicle explosion rocks Nashville on Christmas, police call it an 'intentional act'
Police said it was not immediately clear if anyone was inside the motor home when it exploded
A parked motor home exploded in downtown Nashville on Christmas morning in what police described as an "intentional act," and fire officials reported taking three people to hospital but none were critically injured.
Police initially responded to an emergency call of "shots fired" in the downtown tourist area about 6 a.m. CST (1200 GMT), when they reported seeing the vehicle, said Nashville police spokesman Don Aaron, without specifying what made it suspicious.
"Circumstances about the vehicle caused the officers to call the bomb squad," Aaron said. The bomb squad was on the way when the explosion occurred.
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"We do believe that the explosion was an intentional act," he said, describing the explosion as "significant" and adding that police were working with federal authorities including the FBI and the Bureau of Alcohol, Tobacco, Firearms and Explosives.
Andrew McCabe, a former deputy FBI director, told CNN police may have been the target of the explosions given they were answering the report of a suspicious vehicle when it blew up. He said an explosion of this size would be investigated as a possible act of terrorism, whether domestic or foreign.
Moments before the blast, police officers went door-to-door in nearby buildings to hustle residents to safety and motioned a man walking his dog near the vehicle to change direction.
Police said it was not immediately clear if anyone was inside the motor home when it exploded.
The explosion, which could be felt nine blocks away, knocked one officer off his feet and caused what was hoped to be only a temporary hearing loss, the spokesman said. Residents reported seeing a number of other vehicles on fire amid the debris.
Most of the buildings were closed given the hour and Christmas holiday in the heart of the city, the capital of both the state of Tennessee and US country music.
"There was trees lying everywhere, glass laying everywhere," Nashville resident Buck McCoy told CNN.
The explosion destroyed several other vehicles and damaged several buildings, launching black smoke in the sky that could be seen for miles.
"We are not aware of any other attempted explosion," the spokesman said.
Nashville Mayor John Cooper urged people to stay away from the downtown area, as police and federal authorities investigated, aided by bomb dogs and surveillance camera footage.
President Donald Trump was briefed on the explosion, a White House spokesman said.
