By Rob Kuznia, Scott Glover, Curt Devine and Casey Tolan, CNN
Sara Nir was up late, checking her email when she heard knocking sounds that went from a soft tapping to hard pounding to a frightful crash overhead — as if a wall had collapsed in the unit above her ground-floor condo.
Raysa Rodriguez was sleeping in her room on the ninth floor when she awoke disoriented. The building was swaying “like a sheet of paper.” She ran into the hallway to find that it had been impaled from floor to ceiling by a concrete pillar; the doors of the elevators were shorn off, exposing the shafts.