the shuttle challenger exploded soon after liftoff, there were seven astronauts on board, one of them a woman schoolteacher, all of them believed to have been killed. bi; all of them believed to have been killed. all of them believed to have been killed. by the evening, the heart been killed. by the evening, the heart of been killed. by the evening, the heart of cairo been killed. by the evening, the heart of cairo was - been killed. by the evening, the heart of cairo was in - been killed. by the evening, the heart of cairo was in the j the heart of cairo was in the hands the heart of cairo was in the hands of the heart of cairo was in the hands of the demonstrators. they hands of the demonstrators. they were using the word revolution. the earthquake singled out buildings the earthquake singled out buildings and the earthquake singled out buildings and brought - the earthquake singled out| buildings and brought them the earthquake singled out- buildings and brought them