Responded around 5 30 a. M. To a report of gunfire and when they arrived they found an rv playing a recording warning that a bomb would detonate in 15 minutes. They called the bomb squad and soon after the rv exploded, knocking one officer off their feet. Police say they now have a photo saying this is the rv that exploded on Second Avenue north. Have you seen this vehicle in our area or do you have information about it . Please contact us via crime stoppers, the number 6457427463 or online at the Fbi Field Office in nashville for the atf. Police say its unclear if anyone was in the rv and as a precaution, they brought in dogs to search for other devices. We are searching the downtown area just as a precaution to make sure that everyone is safe and any service that is needed to, we can provide that. With that said, we dont feel there is any concern in the downtown area right now. Mike Authorities Say three people went to the hospital though none are in critical condition. Police say th