The Boston Police accident reconstruction unit worked to piece it together. One by one the twisted metal and mangled mess is methodically untangled and towed away with everyone thankful no one was seriously hurt here. I thought of it today that i hope no one is under a car or firefighters, civilians and no one is hurt or dead. Boston police are hoping to get a look at the video from that surveillance camera that is trained on this say is their investigation into what happened today is still being looked at right now. Live in the back bay tonight, steve cooper, 7 news. We have more coverage of this crash course in boston. Officials say its very, very fortunate that no pedestrians were involved here with this all happening at such a busy and congested area. Alex is on the scene and talked with witnesses who heard it all happen. Alex. No one was injured. People live in the buildings near diagnosis by heard it all and came out to see the wreck. As the fire truck had its lights and sirens o