CLEAN : Death toll rises to six after collapse of Miami footbridge

The transcript discusses the challenges and careful approach required in a rescue operation involving concrete debris. It highlights the need to preserve evidence and ensure the safety of rescuers while confirming six fatalities. There is a possibility of more victims under the debris, necessitating a delicate and cautious approach.

What do concrete engineers emphasize about the rescue process?

What is the main concern for the safety of the rescuers?