911 calls: Police fast on scene of Florida bridge collapse

FILE- This March 15, 2018 file photo shows the main span of the a pedestrian bridge after it collapsed over several cars causing fatalities and injuries. Documents obtained by The Associated Press through a public records request show that the Florida Department of Transportation in October 2016 ordered Florida International University and its contractors to move the bridge's main, signature pylon 11 feet north to the edge of a canal, widening the distance the crossing would gap between its supports and requiring a new base structural design. . (DroneBase via AP)
Florida International University President Mark B. Rosenberg, right, students and faculty staff lead a procession on Wednesday, March 21, 2018, as part of a vigil hosted by the FIU student Government Association in Miami. The vigil was for the six people killed when a new pedestrian bridge collapse last Thursday. (Pedro Portal/Miami Herald via AP)

911 calls: Police fast on scene of Florida bridge collapse

FILE- This March 15, 2018 file photo shows the main span of the a pedestrian bridge after it collapsed over several cars causing fatalities and injuries. Documents obtained by The Associated Press through a public records request show that the Florida Department of Transportation in October 2016 ordered Florida International University and its contractors to move the bridge's main, signature pylon 11 feet north to the edge of a canal, widening the distance the crossing would gap between its supports and requiring a new base structural design. . (DroneBase via AP)
Florida International University President Mark B. Rosenberg, right, students and faculty staff lead a procession on Wednesday, March 21, 2018, as part of a vigil hosted by the FIU student Government Association in Miami. The vigil was for the six people killed when a new pedestrian bridge collapse last Thursday. (Pedro Portal/Miami Herald via AP)