Five people were stabbed and more than 450 arrested during the Notting Hill Carnival.
Across the two days, close to 100 arrests were made for possession of weapons including knives and 25 for assaults on police officers.
Arrests were made for:
Offensive weapon/points and blades
Psychoactive substances (nitrous oxide)
Assault on police
Actual bodily harm/common assault
Theft from a person
Theft going equipped
Grievous bodily harm
Drink driving/drug driving
A 15-year-old boy was critically injured in a stabbing in Wornington Road on Sunday.
He remains in hospital and a 14-year-old has been arrested on suspicion of grievous bodily harm.
A 20-year-old man suffered non-life threatening injuries in a stabbing in Portobello Road on Sunday, while two boys aged 15 and 16 were stabbed in Ladbroke Grove on the same day.
No arrests have been made in connection with either attack.
Separately, police say a man spoke to police at Kensal Rise station and told them he had been stabbed, resulting in a cut to the head.
But he did not give them any more details and left the scene.
Detectives say they are investigating.
London Ambulance Service treated 1,005 patients at the carnival across Sunday and Monday, mostly for alcohol-related injuries and illness.