A 72-year-old woman assaulted and injured at an address in St Botolph's Crescent, Lincoln, yesterday (October 12) has died in Lincoln County Hospital.
She was Margaret Lynette Krawcewicz.
A 38-year-old man arrested yesterday has now been arrested on suspicion of murder and remains in police custody.
Anyone with information should contact Lincolnshire Police
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A clear and chilly night, with sunshine tomorrow.