19 month old Harry Connolly died at home from dehydration and kidney failure. He was referred to Northampton General Hospital to be sent home twice. His mother told an inquest she believes medical staff missed several opportunities to save her son's life.
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Police want to speak to this man in connection with the incident.
These figures mark a 20% increase in the number of assaults recorded by the service between 2001 and 2012.
West Midlands Police said the public will see a gradual change in the way officers are 'deployed' over the coming week.