DNA retrieval still uncertain

April 18, 2003 09:00 AM

UPDATED November 20, 2007 06:16 AM

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    A timelapse video provided by the Ventura County Fire Department shows the plume collapsing at the Thomas Fire, creating dangerous conditions. When a column collapses, it creates a "downward rush of air in every direction ... spreading fire rapidly outward," according to the National Park Service.