Woman in her 80s stabbed to death outside her home as man in his 60s arrested on suspicion of murder

A MAN has been arrested on suspicion of murder after a woman in her 80s was stabbed to death outside her home. Cops raced to Plumstead in south-east London early yesterday morning after receiving reports of a man with a knife. A woman in her 80s was found at the scene suffering with serious injuries....