U.N. chief Ban Ki-moon flew to the East Democratic Republic of Congo today just hours after a halt in fighting between rebels and government troops. The rebel group M23 had announced a temporary ceasefire before Mr.Ban arrived in Goma. _________________________在刚果政府军与叛军组织的交火暂时告一段落后,联合国秘书长潘基文今日飞抵东刚果民主共和国.国内的叛军组织M23在潘基文到达戈马市前宣布与政府军组织暂时停火.____________________