https://www.theepochtimes.com/was-nashville-blast-the-new-fort-sumter_3632783.html
BLUF ( Bottom Line Up Front )
The blast was directly in front of an AT&T server building , and AT&T had been acting like the NSA , fingering subscribers to ‘authorities’ . Loudspeakers had been warning nearby citizens to evacuate for a half hour before the blast , and there was a broadcast countdown to the blast .