THE UNSEEING is based on the so-called Edgeware Road murder of 1837, when laundress Hannah Brown was murdered, her body dismembered and her head, torso and limbs scattered all over London. 

Tune into BBC Three at 9pm tonight to see a documentary about Kris Hallenga as she battles terminal breast cancer and campaigns to make sure other young women and their doctors are made more aware of the risks.