Rwanda looks back at 25 years of 'reconstructing national unity' As Rwanda prepares to mark the 25th anniversary of the genocide in which at least 800,000 people - mainly minority Tutsis and moderate Hutus - were killed in 100 days, the head of the country's national Commission for the fight Against Genocide says the greatest challenge in the past few decades has been "reconstructing national unity." IMAGES AND SOUNDBITES of an interview with Jean Damascène Bizimana, secretary-general of the National Commission for the fight Against Genocide (CNLG)