that russian officials are saying it's a terrorist attack. the people trapped inside the train frantically tried to escape by prying open doors, breaking open windows. a second device was found at another station. that was disabled. our paula newton joins us now from st. petersburg with more. paul, what are investigators saying right now about who could be behind the attack and any connection to president putin being in that area? >> reporter: yeah, at least one lawmaker said, could it really be a coincidence, this is vladimir putin's hometown? he was here doing a political summit. as the hours go by, no indication that investigators are any closer to finding any suspect or suspects that might be responsible. obviously they are scouring some of that horrific video and all the video that came before it at two specific stations to see who could have left what was essentially one very powerful bomb inside the car and the other one, as you indicated, outside the platform. and anderson, you know that even