article_snippet.sent: The infant, who is believed to be a twin, died later that day after suffering 'several injuries', police said.
article_snippet.sent: A spokesman for West Midlands Police said the child had suffered 'several injuries' and that 'further tests' are being carried out to establish how the child died.
highlights_snippet.sent: Five-month-old, believed to be a twin, died after suffering 'several injuries'
  Baby's mother was also arrested but has since been released on bail .