http://www.ufoandparanormalnews.com/Government-Stories/second-black-triangle-ufo-over-california-on-april-20/ Roger MarshA Corona, CA, witness reports watching an eastbound black triangle UFO at 7 p.m. on April 20, 2011, that was gaining altitude as it moved toward Riverside and was "changing shape and color," according to testimony from...April 21, 2011 Fri, 22 Apr 2011 19:49:15 UTC en