Fire crews from Clay Cross, Chesterfield and Staveley this morning attended a house fire in North Wingfield near Chesterfield.
Derbyshire Police are investigating the fire which was reported around 5 o'clock this morning.
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The woman was arrested after police found the body of an elderly woman on Sunday (22 October).
Cloudy with outbreaks of rain across the region this morning but will brighten up in the afternoon, leading to sunny spells.
A cloudy, damp and breezy start to the day but will slowly brighten up as the day goes on.