Police confirmed a total of 36 men were detained and later arrested at London's Kings Cross underground station for fear they may cause trouble at the Notting Hill Carnival.
The large group, 19 of whom were aged under 18, was halted around 3.45pm to prevent a "potential breach of the peace," Scotland Yard said.
Revellers at the Notting Hill Carnival this year enjoyed sunshine, music and a heavy police presence. Police arrested more than 200 people.Read the full story ›
Despite the incidents, police say celebrations in west London have been largely peaceful.
At least 15 people have been arrested after people stopped a large group in London which they believed was set to cause trouble at the Notting Hill Carnival.
Around 34 were halted around 3.45pm at Kings Cross underground station to prevent a "potential breach of the peace," Scotland Yard said.
Police overseeing Europe's biggest street festival, the Notting Hill Carnival, will be hoping for a peaceful conclusion to the celebrations today despite at least two stabbings.
Hundreds of Thousands of revellers will flock to the capital for the carnival's headline day where a parade of floats and brightly-dressed performers will snake through the streets of London.
The festivities on Sunday were largely peaceful but one 20-year-old man was left in a serious but stable condition after being stabbed in the back and buttocks. The Met Police also said a 14-year-old boy was slashed with a sharp object and a 16-year-old girl suffered a superficial leg wound.
An extra 2,000 police officers will be drafted in to support the carnival today, bringing the total to 7,000. Scotland Yard have arrested 96 people so far, mainly for drug and public order offences as well as robbery and assault.
Hundreds of thousands of revellers will flock to Notting Hill Carnival today.Read the full story ›
Forty-nine arrests have been made by Metropolitan Police at Children's Day at the Notting Hill Carnival.
Police stayed in the area as revellers began leaving the street party after dark.
Eighteen of the arrests were for drug-related offences; six were for suspected robberies; five were for criminal damage; five were public order offences and seven were for assaults, including two for grievous bodily harm.
A Metropolitan Police spokesman said the most serious incident took place at around 5.15pm in Golbourne Gardens in Kensington, west London, when a 14-year-old boy was slashed with a sharp object.