情报渠道 meaning in English

information channel

The dong - a ilbo newspaper cites south korean intelligence sources wednesday as saying the united states or russia confirmed through satellite imagery that a special north korean train has traveled to china . the sources could not confirm whether kim jong il was on the train
东亚日报星期三援引韩国情报渠道的话说，美国或俄罗斯通过卫星图像证实北韩一列特别列车驶入中国，但消息人士不能确定金正日是否在车上。