Nightly News   |  September 15, 2010

Huge Louisiana fish kill raises oil spill questions

Some have described a fish kill so huge that it resembles a gravel road. NBC's Brian Williams reports.

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This content comes from a Full-Text Transcript of the program.

BRIAN WILLIAMS, anchor: Take a look at this picture. Scary sight in Louisiana 's Plaquemines Parish , a massive fish kill . The water was so thick with fish, it looks like a gravel road. And it would be easy to jump to the conclusion that the BP oil spill must be to blame for this, but, believe it or not , the state department of fishery says no. Scientists say when the tide went out, it created a pool just two feet deep. Fish were trapped. All the oxygen in the water was depleted. They suffocated. Experts also say these kinds of mass kills are not uncommon in that area this time of year.