Cherie Blair will visit Teesside to officially open centres which provide specialist support for women who are homeless and those fleeing domestic violence.
The buildings in Middlesbrough offer accommodation and help for up to 26 women and are run by Endeavour Housing Association.
Mrs Blair, the wife of former Prime Minister Tony Blair, will be taken on a tour of the flats and meet some of the people staying there.
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Sandiford, a former legal secretary originally from Redcar, was convicted of drug smuggling offences and sentenced to death in 2013.
Durham Crown Court heard that one of the male victims suffered a triple-fractured jaw, while left lying in the gutter, unconscious.