The United States has accused Rwanda of involvement in a deadly attack on a camp for displaced people in the eastern Democratic Republic of Congo, a claim dismissed as “absurd” by Kigali on Saturday.At least nine people were killed in blasts on Friday in the camp on the outskirts of the city of Goma, local sources said.”The United States strongly condemns the attack (Friday) from Rwanda Defense Forces and M23 positions on the Mugunga camp for internally displaced persons in eastern Democratic Republic of the Congo,” State Department spokesman Matthew Miller said in a statement.Miller said…