A collection of Mary Ann Cotton's letters will be auctioned on Wednesday February 27th. Known as the 'Black Widow' was executed in March 1873 for murdering her seven year old step-son Charles after she killed him with arsenic.
More top news
Hundreds of people will lose their jobs following a collapse in diesel sales across Europe.
A man has been arrested on suspicion of killing the seven-year-old after she disappeared from her Sunderland home in 1992.
Durham Police say four women and one man have been arrested and two people remain up a tree at the Pont Valley opencast demonstration.