FILE PHOTO: A ballot drop box is seen at the Northampton County Courthouse on Election Day in Easton, Pennsylvania, U.S., November 3, 2020. REUTERS/Rachel Wisniewski/File Photo
WASHINGTON (Reuters) - U.S. adversaries are preparing to question the validity of the Nov. 5 presidential election results after polls close, anticipating a contested vote, a senior U.S. intelligence official said on Monday.
(Reporting by Michael Martina, Andrew Goudsward and Christopher Bing; Editing by Leslie Adler)
