Christian Stangl told the Austrian press today, that he was not on top of K2. He "only imagined the summit", he said in a press conference.

Report (in German)

It is very hard to believe his explanation. Mentioned besides, Christian Stangl read a book named "Vater (= Father) Morgana" at the time, before he "imagined" to be on top of K2!

Report (in German)