Fighting comes day after Rwanda arrests Tutsi rebel leader , Laurent Nkunda . Neighboring nations have been on different sides of the conflict in east Congo . Lubero is about 200 kilometers ( 124 miles ) northeast of Goma , the regional capital . It pits Tutsis , supported by Rwanda , against the US - backed government . The conflict is effectively an extension of the Rwandan genocide of the 1990s .
Fighting comes day after Rwanda arrests Tutsi rebel leader , Laurent Nkunda . Neighboring nations have been on different sides of the conflict in east Congo . It pits Tutsis , supported by Rwanda , against the US - backed government . The conflict is effectively an extension of the Rwandan genocide of the 1990s .