"This event of a national scale, requiring security, the final figures will be able to provide the US Secret Service, but you can see over 20 thousand members of the National Guard, who will be in the District of Columbia (Washington)," RIA Novosti quotes the head of the city police Robert Conti.
He noted that he takes safety in the city very seriously on the eve of the inauguration.
According to him, such a large-scale "outside help" is unprecedented.
Earlier, the US State Department canceled the trip of Secretary of State Mike Pompeo to Europe in connection with the transfer of powers to the new team of President-elect Joe Biden.