Woman, 24, killed and man, 20, injured following double stabbing in west London: Man, 44, arrested on suspicion of murder and treated for wounds 'after jumping from window'

A 24-year-old woman was killed and a 20-year-old man was injured in a double stabbing in west London. A 44-year-old man was arrested on suspicion of murder and treated for wounds after jumping from a window.