A woman has been arrested on suspicion of murder after a baby died following a fall from a height in central London.
Officers were called to an address on Horseferry Road, Westminster, at around 7.30am on Saturday morning.
The baby girl, 18 days old, suffered serious injuries and was pronounced dead in hospital, the Metropolitan Police said in a statement.
A 43-year-old woman was arrested on suspicion of murder at the scene and taken into police custody, where she remains.
Detective Chief Inspector Alison Foxwell, who is leading the Met's investigation, said the force "believes the incident occurred within a domestic context".
She said in a statement: "Our thoughts today are with the baby's family. The death of an infant is always an extremely tragic occurrence, and officers are making urgent enquiries around the circumstances."
Anybody with information is being urged to come forward.
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Running from Lambeth Bridge to Greycoat Place, Horseferry Road is a major thoroughfare in Westminster.
The street is home to government buildings including the Department for Transport's offices, as well as Channel 4's headquarters and multiple residential addresses.
(c) Sky News 2026: Murder arrest after baby dies in fall 'from a height' in central London
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