TOPSHOTS People pray inside the Saint-Famille catholic church on April 6, 2014, in Kigali, on the eve of the start of a national mourning period marking the 20th anniversary of the 1994 genocide against the Tutsi in Rwanda. Rwanda on April 6 called on France to face up to the "difficult truth" of its role in the 1994 genocide, amid a diplomatic spat ahead of commemorations marking the 20th anniversary of the killings. AFP PHOTO / SIMON MAINA