From the Associated Press:
Exposure to methane gas led to the deaths of four family members and a farmhand, but whether they suffocated from the fumes or drowned in 18 inches of liquefied cow manure may never be known, authorities said.Link
David Pescovitz is Boing Boing's co-editor/managing partner. He's also a research director at Institute for the Future. On Instagram, he's @pesco.