A 29-year-old man has been arrested on suspicion of murder, after a woman's body was found in a suitcase in north-west London.
The woman has not yet been formally identified.
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Staff at the hospital treating critically-ill baby Charlie Gard have received "shocking" abuse including death threats over the case.
The 20-year-old died after being chased by police and apprehended in a shop in Hackney, east London.
Police in Greenwich are trying to identify a man after an assault on an elderly woman in Plumstead.