What conferences occurred that had to do with the Holocaust ?
" In July 2012 , Fawzi Barhoum , a Hamas spokesman , denounced a visit by Ziad al - Bandak , an adviser to Palestinian Authority President Mahmoud Abbas , to the Auschwitz death camp , saying it was " unjustified " and " unhelpful " and only served the " Zionist occupation " while coming " at the expense of a real Palestinian tragedy " .