http://www.ufoandparanormalnews.com/UFO-Sightings/ufo-ruled-out-of-wind-farm-prang/ According to the Telegraph, turbine manufacturer Enercon's interim report says bolts holding the blade to the hub failed, and it's now "carrying out further tests to establish what caused the bolts to come loose, focusing on the blade and hub components to which they were attached". Tue, 10 Feb 2009 19:46:17 UTC en