Their doubts add to those previously brought forward by rival Edurne Pasaban, which moved Himalayan chronicler Elizabeth Hawley in the spring of 2010 to tag the summit as "disputed".
However, Mount Everest chronicler Elizabeth Hawley said on June 14, 2006 that another Filipino climber, Dale Abenojar, is the first to summit on May 15, two days before Leo Oracion.
Elizabeth Hawley stated that he was suffering from alcoholism, and that his death was a suicide.
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