54-year-old man attacked as he opened Marsh Food and Wine.
He is in a life-threatening condition.
The capital’s homicide rate surged to the highest in a decade last year.
The male victim died at a hotel in Euston Street.
Lee Pomeroy would have celebrated his 52nd birthday on Saturday.
The genre has come under fire for 'glamorising violence' – but Drillminister says it's an important outlet for young black men.
Joel, K, Daryl and Denzel were all victims of knife attacks. From music to youth cuts to austerity, they have their own ideas about why things have become more dangerous for young men.
One man was arrested at the scene.
The incident is the fourth fatal knifing in south London in five days.
Two people have been stabbed and one person has been arrested at the Sony Music building on Derry Street, Kensington in London.