The child was taken to Airedale General Hospital by ambulance where he was pronounced dead.
A murder investigation was launched by West Yorkshire Police's Homicide and Major Enquiry Team and at 11:30am this morning and a 32-year old man was arrested from an address in the Ingrow area of Keighley.
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Patients in Lincoln are being given the opportunity to consult with hospital staff on the phone for the first time.
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Some of the biggest names in world music will be in Leeds for the Music of Black Origin Awards at the First Direct Arena on November 29.