[El Gato]

http://www.kfor.com/Global/story.asp?S=3925606

Two blasts, one of a second device found and detonated by the bomb squad.

I'd say the chances of a "work accident" are fairly high, but time will tell.

[Cindy]

OPINION: My first reaction was a "work accident" too, but there are too few details to justify my speculation.