Netanyahu : Abbas `` ca n't have it both ways '' while embracing Hamas . Palestinian Authority President Mahmoud Abbas called the Holocaust the most heinous crime in modern human history , his office said in a statement Sunday . The Palestinian Authority has been a key partner of the United States in its fight against Islamic State militants and other militant groups that threaten Israel from across the border. Abbas now calls the Holocaust an embodiment of racism , calls on the world to fight injustice . Abbas ' Fatah faction said last week it will seek unity government with Hamas .
Netanyahu : Abbas `` ca n't have it both ways '' while embracing Hamas . The Palestinian Authority has been a key partner of the United States in its fight against Islamic State militants and other militant groups that threaten Israel from across the border. Abbas now calls the Holocaust an embodiment of racism , calls on the world to fight injustice . Abbas ' Fatah faction said last week it will seek unity government with Hamas .