Carlos Mineiro Aires, the head of the subway system, told the Publico newspaper about the incident to show how service interruptions on the 45-year-old system were not always the fault of his staff.

• 地铁系统首长艾瑞斯向共和报透露这起事件，以显示这个有45年历史的地铁系统发车中断不一定都是他同僚的错。