South London
Three men have been arrested.
No-one has been arrested, police said.
Luciano Newman was just eight months old.
Police were called to the scene just after 8pm on Sunday.
The victim, aged in her early 20s, was struck by a car travelling at speed in Brixton.
There are no reports of any injuries.
Jamie Acourt had spent more than two years on the run.
The incident is the fourth fatal knifing in south London in five days.
Witnesses heard a teenager cry 'help, help' before the four young men were stabbed.