Mandy Power, her two daughters and her mother were bludgeoned to death at home.
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Video caption: Smear tests vitally important, says MP Alex Davies-Jones MP Alex Davies-Jones is warning women about the dangers of putting off smear tests
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BBC News
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BBC News
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Video caption: Further protests outside Cardiff police station after Mohamud Mohammed Hassan's death South Wales police and crime commissioner said an investigation must be allowed "to take its course".
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Video caption: Hundreds march over arrested man's death Mohamud Mohammed Hassan was arrested at home on Friday but released without charge on Saturday.
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Video caption: Mohamud Mohammed Hassan's death in Cardiff investigated Officers were called to an address on Saturday night with the death being treated as "unexplained".
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BBC News
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Newyddion BBC Cymru
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BBC News
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Digital Journalism Apprentice