Two men and two women have appeared in court charged with murdering a baby girl who had been repeatedly stabbed at a house in Sheffield. The newborn was found at a property in the city on Sunday, having suffered 33 wounds from 15 separate stabbings. They have been charged with murder, causing or allowing the death of a child and perverting the course of justice by taking steps to conceal the killing of an infant. Tap the link in BBCNews's bio to read more. #Sheffield #BBCNews