US President Donald Trump has declared a state of emergency in the nation's capital ahead of President-elect Joe Biden's inauguration on Jan 20, reported Sputnik news agency.

"President Donald J Trump declared that an emergency exists in the District of Columbia and ordered Federal assistance to supplement the District’s response efforts due to the emergency conditions resulting from the 59th Presidential Inauguration from Jan 11 to Jan 24, 2021," the White House said in a press release on Monday...