Washington, Feb. 3 -- : US President Joe Biden on Friday postponed Secretary of State Antony Blinken's first official visit to China in response to the Pentagon's discovery of an alleged Chinese spy balloon flying over the United States, a U.S. official said, The Washington Post reported.

The decision by the US President came hours before Blinken was scheduled to depart for Beijing. A postponement in the visit indicates how seriously the Biden administration takes the incident.

The US Department of Defence in a release issued on Thursday said the United States government is monitoring a Chinese surveillance balloon that has been spotted moving over commercial air traffic over the past several days.

"It is not the first time that you had ...