The man in his 20s and the woman in her 80s were stabbed in the street in the west London suburb
A man has been killed and a woman in her 80s is in a critical condition in hospital after they were stabbed in a street in Brentford.
The Metropolitan police said the man, believed to be in his 20s, and the woman, were stabbed at about 8pm on Friday in Albany Parade in Brentford.