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.
More top news
From a childhood immersed in abject poverty to having his first book published aged 87, Harry Leslie Smith’s life reads like a novel.
A wet and windy weekend in store with met office warnings in force. It's not expected to be windy enough to name the storm 'Clodagh' however
Find all the key details to get the best Black Friday bargains as retailers slash their prices for a one day pre-Christmas bonanza.