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
Burial place of Fatimah secret burial was done with the aim of avoiding the presence of caliph (Abu Bakr). The next day; people, while blaming each other, gathered and proposed bringing a group of women for exhumation of Zahra's grave. The exact place of her tomb is unknown, for she had asked Ali to hide it as a proof of her anger against the people who bothered her. Also, other Imams and those who participated in her funeral never revealed the place of her grave. Three places has been specified as her grave; Al-Baqi', her house and between Muhammad's tomb and his minbar. According