article_snippet.sent: Police said Piper died in hospital on Sunday morning, while Piper brother died later that evening.
article_snippet.sent: In pictures, eight-year-old Piper appears to be a happy child, smiling in eight-year-old Piper blue and white school uniform.
article_snippet.sent: Piper died on Sunday morning, while Piper brother William died later that night .
highlights_snippet.sent: Nine-year-old William Kulk died in hospital on Sunday night .
  
highlights_snippet.sent: Nine-year-old William Kulk eight-year-old sister Piper died on Sunday morning .
  