The former main rebel group during the Democratic Republic of Congo's civil war are to suspend their participation in the power-sharing government. RCD-Goma leader Azarias Ruberwa, one of Congo's four vice-presidents, said the peace process had "broken down" and needed to be reassessed. The transitional government was set up to end the five-year conflict. But the massacre earlier this month of 160 Congolese refugees in Burundi prompted renewed warnings of war.