Pan Am Flight 103 explodes over Scotland

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On December 21, 1988, Pan Am Flight 103 from London to New York explodes in midair over Lockerbie, Scotland, killing all 243 passengers and 16 crew members aboard, as well as 11 Lockerbie residents on the ground. A bomb hidden inside an audio cassette player detonated in the cargo area when the plane was at an altitude of 31,000 feet. The disaster, which became the subject of Britain’s largest criminal investigation, was believed to be an attack against the United States. One hundred eighty nine of the victims were American.