National Security Officials briefed on threat to fly plane into US Capitol to avenge death of Iranian general By By Brooke Singman and Louis Casiano | Fox News Published CBS News first reported the threat. "We are flying a plane into the Capitol on Wednesday," an audio recording of the threat sent to air traffic controllers in New York, obtained by CBS News, said. "Soleimani will be avenged." Capitol Building, seat of United States Congress, 1827, Washington DC, District of Columbia, United States of America, 19th century. Advertisement The threat referred to Qassem Soleimani—the Iranian general killed in Iraq last year in a U.S. airstrike ordered by President Trump. American officials deemed Soleimani -- the head of Iran's Islamic Revolutionary Guard Corps' elite Quds Force -- as dangerous as the Islamic State and held him responsible for the deaths of hundreds of U.S. troops.