Divers searching in the murky Mississippi River for victims of the bridge collapse work in a hazardous world where a mistake can cost them their lives.
Underwater debris swirls the river's already powerful currents into whirlpools of fast-moving water that can endanger divers, authorities said.
And the water is a potentially lethal stew of fuel, broken glass, jagged car parts, and concrete and rebar from the fallen bridge.
Read full article »
All About Accidents and Disasters • Minnesota