A man is due in court later today after three women were stabbed in south London.
A 17-year-old girl remains in a serious but stable condition in hospital after she was stabbed in the head and hands at a flat in Tilson Gardens, Brixton.
Police were called to the property where they found the teenager's 28-year-old sister had also been attacked. She was later pronounced dead at the scene.
A post-mortem examination will take place today, police said.
A 46-year-old woman was repeatedly stabbed at another flat in nearby Redlands Way. She remains in hospital in a critical condition.
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It will be cooler in the north with possible outbreaks of thundery rain in Scotland.