People walk back to the United Nations Secretariat Building after a fire alarm was lifted at the United Nations headquarters in New York, on July 18, 2017. Around 2,000 people were evacuated on Tuesday from the United Nations headquarters complex in New York City after a fire alarm went off in one of the fan rooms in the second basement. UN Deputy Spokesperson Farhan Haq told reporters that "we have to evacuate as a precaution in case of a potential fire, but the alarm was checked and there was no fire." (Xinhua/Li Muzi)
