In December 1988 , Pan Am Flight 103 ( a disaster known as the Lockerbie bombing ) became the group 's scheduled return flight to the U.S. for Christmas after completing their European tour . A prolonged recording session and a performance at the British television show '' Top of the Pops '' caused them to oversleep and miss the ill-fated flight which crashed in Lockerbie , Scotland , after a terrorist bomb was detonated on board . They left London however using a later British Airways flight
Pan Am Flight 103
Pan Am Flight 103
Four Tops