Later today Shadow Public Health Minister, Diane Abbott will deliver a speech to the Fawcett Society on the 'pornification' of British culture.
Speaking about the sexualisation of adolescents, she will call for a national conversation between parents and their children about sex, pornography and technology.
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Arthur Simpson-Kent, 48, admitted killing Ms Blake and their sons according to his lawyer.
Two brothers have been arrested on suspicion of murder after their parents were found dead in their own home over the weekend.