A 24-year-old woman has been killed and a man injured in a double stabbing in west London.
Emergency crews were called to a property in Uxbridge Road, Hayes, shortly before 8am on Sunday.
They found the woman with stab wounds who died at the scene.
The man, aged in his 20s, was found outside the property with stab injuries. His condition is unknown.
The Metropolitan Police said officers "quickly located" a 44-year-old man matching the suspect's description nearby.
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He was arrested on suspicion of murder and possession of a bladed article in a public place. The suspect was taken to hospital with injuries believed to have been caused from jumping from a window.
Detective Chief Inspector Allam Bhangoo said: "This is a shocking incident which has tragically resulted in one woman losing her life and another man in hospital with injuries."
The senior officer added that police inquiries were in the early stages but detectives "do not believe there to be any wider threat to the public".
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