article_snippet: It was smoky and all she could hear were muffled screams.
article_snippet: I was really scared," Karen McWatters testified, "and I remember screaming for someone to help us.
article_snippet: Everybody was screaming, everybody was screaming for help.
article_snippet: Other witnesses used similar phrases: Blown through the air, deafening explosion, cries for help.
article_snippet: O'Hara, said it sounded like a loud cannon, followed by an instant cloud of smoke that covered the windows.
article_snippet: O'Hara recalled stepping outside to the smell of gunpowder and burning hair.
highlights_snippet: I remember screaming for someone to help us," one survivor recalls .
  