The US Capitol was briefly evacuated Wednesday evening after police identified an aircraft that posed "a probable threat."

Iran PressAmerica: The plane carried members of the U.S. army's parachute team, the Golden Knights, who then parachuted into Nationals Park for a pregame demonstration. 

The incident suggested a stunning communications failure between the military, the Federal Aviation Administration, and the Capitol Police, all the more remarkable because of Washington's focus on improving security since the Jan. 6, 2021 attack on the building by supporters of then-president Donald Trump. 

Multiple agencies scrambled 

House Speaker Nancy Pelosi blamed the Federal Aviation Administration in a statement Wednesday night, saying its "apparent failure to notify Capitol Police of the pre-planned flyover Nationals Stadium is outrageous and inexcusable." The FAA did not respond to a request for comment. 

The US security apparatus's fears of a possible attack on Congress coincide with a new poll in the United States that shows that about 57 percent of Americans are afraid of a repeat attack on Congress. 

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