@CNN: A bus company employee in Maine told a group of passengers they had to be US citizens in order to ride a bus after an officer from US Customs and Border Protection inquired about their citizenship https://t.co/ueNCbG2Erm https://t.co/BjqF9AaeGJ

@CNN: A bus company employee in Maine told a group of passengers they had to be US citizens in order to ride a bus after an officer from US Customs and Border Protection inquired about their citizenship https://t.co/ueNCbG2Erm https://t.co/BjqF9AaeGJ