An 83-year-old woman was arrested on suspicion of murder after the death of an 85-year-old man in Sheffield.
Emergency Services were summoned to a home on Orgreave Lane in Handsworth at 9:45 am BST on Thursday.
South Yorkshire Police said the man was treated for a puncture wound but died later as a result of his injury.
The woman is being held in police custody. A spokesman for the armed forces said the police are not looking for anyone in connection with the incident.
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