A 38-year-old man from Lincoln has been charged with murder.
Margaret Lynette Krawcewicz, who was 72, was attacked in a house in Lincoln on Friday and died later in hospital.
A 38-year-old man has been charged with murder and will appear before magistrates on Monday morning.
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Fog patches and extensive low cloud at first will steadily lift and clear.
A murky start with mist and fog then gradually clearing, although some eastern coastal districts may remain cloudier.
Isolated showers should die out through the evening to leave a dry remainder of the night.