Diplomatic tensions are rising in African capitals, as efforts to end the fighting in the eastern Democratic Republic of Congo continue. Rwandan President Paul Kagame has lashed out at South African counterpart Cyril Ramaphosa, after Ramaphosa accused Rwanda of backing the M23 rebels behind the escalating crisis in the Democratic Republic of Congo this week. In Washington, crews are searching for the remains of those who died when a passenger jet collied with a U.S. Army helicopter and crashed late last night.