article_snippet: Witnesses reported hearing loud screams as the tragedy unfolded at around 6.30pm.
article_snippet: Passerby Ronald Luis said: 'I heard a lot of people screaming, so that’s what really caught my attention. '
article_snippet: Speaking to ABC 7, the 18-year-old added: 'It was frantic, very scary, never seen anything like it.'
highlights_snippet: Witnesses described the site as 'frantic' with 'lots of people 'screaming'
  