Palestinian political violence between two loosely defined factions: the side wishing to preserve the status quo, consisting primarily of Maronite militias, and the side seeking change, which included a variety of militias from leftist organizations and guerrillas from rejectionist Palestinian (nonmainstream PLO) organizations. The Lebanese civil war lasted until 1990 and resulted in an estimated 130,000 to 250,000 civilian fatalities and one million wounded. After Black September, the PLO and its offshoots waged an international campaign against Israelis. Notable events were the Munich Olympics massacre (1972), the hijacking of several civilian airliners (some were thwarted, see for example: Entebbe Operation), the Savoy Hotel
Doping at the Olympic Games effort to detect banned substances and recent blood transfusions. While several athletes were barred from competition by their National Olympic Committees prior to the Games, six athletes failed drug tests while in competition in Beijing. What follows is a list of all the athletes that have tested positive for a banned substance either during or after an Olympic Games in which they competed. Any medals listed were revoked by the International Olympic Commission (IOC). In 1967 the IOC banned the use of performance-enhancing drugs, instituted a Medical Commission, and created a list of banned substances. Mandatory testing began at the