OPEC siege members of OPEC were taken hostage in Vienna, Austria, where the ministers were attending a meeting at the OPEC headquarters at Dr-Karl-Lueger-Ring 10 (renamed Universitätsring in 2012). The hostage attack was orchestrated by a six-person team led by Venezuelan terrorist Carlos the Jackal (which included Gabriele Kröcher-Tiedemann, Hans-Joachim Klein and Anis al-Naqqash). The self-named "Arm of the Arab Revolution" group called for the liberation of Palestine. Carlos planned to take over the conference by force and kidnap all eleven oil ministers in attendance and hold them for ransom, with the exception of Ahmed Zaki Yamani and Iran's Jamshid Amuzegar, who
Anna Blackburne-Rigsby Blackburne, is a former chair of the New York City Housing Authority (1990-1992) and judge on the New York Supreme Court. She is a member of Shiloh Baptist Church and Alpha Kappa Alpha. Anna Blackburne-Rigsby Anna Elizabeth Blackburne-Rigsby (born May 6, 1961) is the Chief Judge of the District of Columbia Court of Appeals, the highest appellate court for the District of Columbia. Born in Washington, D.C., Blackburne-Rigsby graduated from Jamaica High School in Queens, New York, in 1979. She earned a bachelor's degree in political science from Duke University in 1983 and a law degree from the Howard University