The above laptop exploded at Yahoo's Santa Clara office this afternoon, setting off the smoke alarm and forcing several hundred employees to evacuate the building. An anonymous Yahoo employee sent in the above shot, showing this was one of the infamously combustible Dells, not the standard-issue HPs and Macs, so it may have been a personal computer. The batteries, say Flickr exec and photographer Stewart Butterfield, were Sony.

AOL's Engadget blog had the first report. Next up, Yahoo employees share first-hand accounts at Valleywag.

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