Nashville cops on Friday afternoon released a photo of the motorhome that blew up downtown , gutting buildings and injuring several people as Christmas dawned in Music City. “This is the RV that exploded on 2nd Ave N this morning. It arrived on 2nd Ave at 1:22 a.m.,” the Metro Nashville Police Department tweeted . The photo appears to come from a surveillance video and shows the vehicle with its headlines on in a traffic lane. The image is too dark and grainy to show the driver or if anyone else was in the cab, and the MNPD asked anyone with information to call its Crime Stoppers line or contact the FBI online. The vehicle doesn’t appear to have a front license plate but looks like it’s built on a Ford Econoline platform. This is the RV that exploded in Nashville Friday morning. Metro Nashville PD Cops who found the RV while responding to an apparently unfounded report of shots fired heard a recorded announcement warning that a “a potential bomb would detonate within 15 minutes,” police Chief John Drake said during a news conference earlier Friday. An unconfirmed YouTube video also appears to contain audio of the recording, with a female voice urging people to flee the area just before the blast, which officials have called an “intentional act.” “All buildings in this area must be evacuated now. All buildings in this area must be evacuated now,” the voice says. “If you can hear this message, evacuate now. […]