
Emergency personnel respond to a deadly bridge collapse in Miami on Thursday, March 15. The bridge was installed Saturday at Florida International University.

A rescue dog searches for victims after the bridge collapsed.

Miami residents watch rescue crews work to remove victims from the debris.

The president of Florida International University, Mark Rosenberg, speaks to reporters with Florida Gov. Rick Scott behind him. Rosenberg said FIU followed required processes during the bridge's construction and all contractors were certified by the state.

A rescue dog and its handler work at the scene of the collapsed pedestrian bridge. At least six people were killed. Their identities were not immediately released as authorities worked to contact family members, Miami-Dade Police spokesman Alvaro Zabaleta said.

Crews work at the scene. The structure's 950-ton main span had just been installed Saturday using an accelerated construction process meant in part to reduce the time that street traffic was halted. The bridge had been designed to withstand a Category 5 hurricane.

Rescue teams look for victims in cars trapped in the rubble.

Multiple agencies responded to the scene. A spokeswoman with Miami-Dade Fire Rescue told CNN there were multiple injuries.

Candace Pridemore took this photo of the collapsed bridge. "I was sitting in a truck," she said. "We were pulled over to the side working. I looked over and there was a bridge coming down. I started screaming, 'It's going, it's going down.'"

Police block a road near the collapsed bridge.

According to a fact sheet about the bridge on FIU's website, it cost $14.2 million to build and was funded as part of a $19.4 million grant from the US Department of Transportation. It was designed to withstand the strength of a Category 5 hurricane, the fact sheet said, and it was supposed to last for more than 100 years.

Emergency personnel work at the scene.