The implosion of a chemical tank at a pulp and paper mill in Washington state on Tuesday killed one person and nine others are unaccounted for, authorities said.
Al Giddings has gone down to the depths of the Titanic wreckage 17 times and spent up to 20 hours each shooting documentaries and also the movie "Titanic" with director James Cameron.
Coast Guard officials said the tail cone and other pieces of the missing submersible Titan were found about 1,600 feet from the wreckage of the Titanic on the sea floor.
The implosion of a Nabisco factory in New Jersey has been officially canceled after multiple delays.
The factory was set to be imploded on April 15, but that was delayed after complaints were raised about asbestos and other contaminants.
It comes as some people raised concerns about potential air and water contamination as a result of the implosion.