The Saudi-led coalition was briefly added to the blacklist last year and then removed by then-U.N. chief Ban Ki-moon pending review. At the time, Ban accused Saudi Arabia of exerting "unacceptable" undue pressure after sources told Reuters that Riyadh threatened to cut some U.N. funding. Saudi Arabia denied threatening Ban.
Congress has released previously classified documents about whether the Saudi government had a role in the 9/11 attacks. The pages show no officials links between the Saudi government and the hijackers who killed nearly 3,000 people in New York. However, the report found it was likely that the attackers had financial help from people inside the kingdom. An independent panel completed the 9/11 Commission Report in 2002. But several pages - informally known as "the 28 Pages" - were withheld from the public for 13 years, fuelling speculation about their contents.