Elderly woman stabbed to death on her front doorstep as knifeman threatens public

A woman in her 80s was fatally stabbed outside her home in Plumstead. Police have arrested a man on suspicion of murder. (Picture: UKNIP)

Tributes have been paid to an elderly woman stabbed to death on her front doorstep.

A knifeman then ran around the residential street in Plumstead and threatened workmen nearby at around 9am on Wednesday.

Met police officers went to Red Lion Place and found the pensioner, named locally as Doris, in her 80s, with fatal knife injuries.

Minutes later the suspect...