A mother and son who were found dead in Lancashire have been named locally as Lisa Clay and her six-year-old son Joseph.
Police discovered the bodies at a house in Bolton-le-Sands yesterday.
A 34-year-old man has been arrested on suspicion of murder. The post-mortem examination results are expected today.
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Detectives have been granted more time to question a man suspected of murdering off-duty police constable Neil Doyle.
A businesswoman from Warrington is taking on a 24 hour cleaning marathon to raise money for a children's hospital.