Authorities say video surveillance cameras caught the first two su ects boarding trai in Cologne on July 31st and carrying suitcases packed with homemade bom .
Authorities say video surveillance cameras caught the first two su ects boarding trai in Cologne on July 31st and carrying suitcases packed with homemade bom .
当局说，监视录像显示，前两名嫌疑人7月31号在科隆携带装有自制炸弹的手提箱登上火车。