AP

A couple has been found guilty of murdering their French nanny and burning her body on a bonfire in their London backyard.

A jury at London’s Central Criminal Court convicted 35-year-old Sabrina Kouider and 40-year-old Ouissem Medouni on Thursday after six days of deliberation.

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The couple denied killing Sophie Lionnet, though they admitted disposing of the body. Each defendant blamed the other for the death of the 21-year-old Frenchwoman.

Prosecutors say the pair killed Lionnet after becoming obsessed with the belief she was in league with Kouider’s ex-boyfriend Mark Walton, a founding member of Irish boy band Boyzone.