<span style="color: #222222;">Rwanda today begins one hundred days of mourning for over 800,000 people slaughtered in a genocide that shocked the world, a quarter of a century on from the day it began.</span><br />'' <br />'' <span style="color: #222222;">President Paul Kagame will start a week of commemoration activities by lighting a remembrance flame at the Kigali Genocide Memorial, where more than 250,000 victims are believed to be buried, mainly from the Tutsi people.</span><br />'' <br />'' <span style="color: #222222;">The killings started on April 7, 1994, and lasted till July 4 of that year.</span><br />''