. >> followed by united states attorney don cochran for the middle district of tennessee.will be followed by mickey french, special agent in charge of the atf for this area. he will be followed by matt foster, the special agent in charge of the nashville fbi office, and then nashville fire department chief director william swan will speak to some operations taking place on second avenue. chief john drake? >> thank you, don. good afternoon. this morning around 5:30 a.m. officers responded to a call for shots fired in the downtown area. specifically 2nd and near commerce. they encountered an rv that had a recording saying that a potential bomb would detonate within 15 minutes. officers, upon hearing that, decided to evacuate the buildings nearby. so they began knocking on doors, making announcements, having emergency communications communicate with everyone to get people safe. shortly after that, the rv exploded. we had one officer that was knocked to the ground. another officer is fine. [ sirens ] currently what we have going on now, we have k-9 dogs out partnering with ten

attorney don cochran applauded the brave police officers for jumping into action and most likely saving numerous lives. >> they he evacuated that area. got all the citizens out of there. i'm quite confident their actions is why there was less life. >> one of the officers was blown off his feet during the blast but no serious injuries were reported. three people went to the hospital though none are in critical condition. no word yet but officials believe there is no further imminent threat. fox news. >>> malls and shopping centers crowded after christmas is over, why retailers can expect more holiday returns this year. >>> plus drinking and driving this holiday. tonight we are hearing about the hundreds of drivers hauled off to jail. >>> and area weather a break in the clouds for today. some sunshine, but we are tracking another system off shore and it will bring to one area of the bay area. we'll have more coming up. if there's anything that this year has taught us, it's the things that matter: family. health. that's it. we found help at covered california. now we have a plan we can aff

but i'm don cochran. this morning, i briefed jeff rosen on the situation in nashville. he told me to tell the police chief in nashville we're devoting the entire resources of department of justice to help in their investigation. fbi and atf are taking the lead in the investigation. i want to turn the stage over first to assistant special agent in charge, matt foster of the fbi and special agent in charge from the atf to explain the resources the federal government will bring to bear on the situation. matt? >> thank you, don. the fbi stands with the city of nashville today in this very tragic christmas day event. this is our city, too. we live here, we work here, and we're putting everything we have into finding who is responsible for what's happened here today. as part of doing that, there are investigative leads to be pursued, also technical work that needs to happen, and we're standing with metro national police department and our federal partners and state partners to bring every resource we can possibly bring to bear to find out what happened here today and to bring

. >> you mentioned jigsaw puzzle approach, to finding bomber don cochran u.s.y there mention that same phrase, here are his thoughts. >> that's like a giant jigsaw puzzle created by a bomb that throws pieces of evidence across multiple city blocks. they've got to gather it they've got to catalog it. that i got to put it back together and try to find out what the picture of that puzzle look like. >> amazing to me -- joey that the feds say they'll have that part of it, you know, search and searching for the pieces wrapped up within a day and then they'll be handing over the scene to nashville police, obviously, the federal investigation will go on and sounds like, i mean, they've already got a person of interest raided a home. they are wasting no time in making very quick progress on this. >> you can't waste time on something like this every day, hour goes by evidence has a way of walking away because people eventually are going to go back to live their lives in the same area we talk about two radius when is a bomb explodes there's the blast radius that is the fi

i am don cochran, the u.s. attorney in nashville, tennessee. this morning i brief the acting attorney general, jeff rosen, on the situation in nashville. he has told me to tell the police chief in nashville that we are devoting the entire resources of the department of justice to help in their investigation. the fbi and atf are taking the lead in this investigation, and i want to turn the stage of her first two assistant special agent in charge, matt foster of the fbi, and then mickey french of the atf to talk about the resources that will be brought to bear on this investigation. matt? >> thank you, don. the fbi stands at the city of nashville today, in this very tragic christmas day event. this is our city, too. we live here, we work here, and we are putting everything we have into finding who is responsible for what has happened here today. as part of doing that, there are investigative leads to be pursued. there's also technical work that needs to happen. we are standing with metro national police department and our federal partners and our