New York Police Department (NYPD) police officers stand guard in front of shops, which are boarded up over concerns of possible social unrest during the 2020 U.S. presidential election, in the SoHo neighborhood of New York, the United States, Nov. 4, 2020. Photo:Xinhua

New York Police Department (NYPD) police officers stand guard in front of shops, which are boarded up over concerns of possible social unrest during the 2020 U.S. presidential election, in the SoHo neighborhood of New York, the United States, Nov. 4, 2020. Photo:Xinhua

Police officers work on Times Square during the 2020 U.S. presidential election in New York, the United States, Nov. 3, 2020. Photo:Xinhua

Police officers stand guard on Times Square during the 2020 U.S. presidential election in New York, the United States, Nov. 3, 2020.Photo:Xinhua

Workers board up a store to protect it against possible looting or unrest during the 2020 U.S. presidential election, in New York, the United States, Nov. 3, 2020.Photo:Xinhua

Rangers patrol on Times Square during the 2020 U.S. presidential election in New York, the United States, Nov. 3, 2020. Photo:Xinhua