The body of a woman in her 50s was found unresponsive near a busy road in west London.
Met Police officers are currently treating the death close to the A4 in West Kensington as 'unexplained'.
Officers were called at 2.45am today following reports of concern for the welfare of a woman.
Police and the London Ambulance Service rushed to the scene and found an unresponsive woman in her 50s.
She was declared dead at the scene.
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In a statement Scotland Yard said: "The death is currently being treated as unexplained.
"A scene guard is in place and there are road closures affecting two lanes of the A4 at Talgarth. Enquiries are ongoing."
The A4 has been reduced to one lane while police investigate the scene - this has caused slow traffic in the area.
The pavement has also been taped off according to social media reports.
Anyone with information about the death should contact Met Police on 101.
