Delia Balmer's story has been highlighted in ITV's new true-crime drama Until I Kill You, with Anna Maxwell Martin depicting the real-life person.

Until I kill You is a new drama telling the terrifying true story of Delia Balmer Story who survived living with one of Britain's most notorious serial killer's John Sweeney

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Until I Kill You is a new ITV drama based on the real-life case of Delia Balmer, who was in a relationship with a man who turned out to be a violent and dangerous killer.

Liverpool-born John Sweeney is a convicted British serial killer known for the brutal murders of his former partners, Melissa Halstead and Paula Fields. Sweeney, who was a carpenter by trade, had a history of violent behaviour towards women.

Where is the real Delia Balmer who inspired ITV's Until I Kill You now? Here's what you need to know about her true life which inspired the drama.

ITV will air its new drama Until I Kill You this week - here's the true story behind Anna Maxwell Martin's character Delia Balmer