Five people are under arrest for a stabbing on the second day of one of Europe's biggest street festivals.

Officials in London said a 16-year-boy was arrested Tuesday. Police had earlier arrested four other men, ages 20 and 21, for the stabbing at the Notting Hill festival.

The 20-year-old victim is in what is being described as serious-but-stable condition.

Police say he was found late Monday on the edge of the festival with wounds to his hand and stomach. Photographs from the scene show one man running with a knife in his hand as a second man tries to trip him.

The two-day Caribbean-style street festival in the Notting Hill section of London typically draws more than 1 million people.

Officials said there were 6,500 police officers patrolling the streets for the two-day event. They said police made 214 arrests, down from 243 arrests the year before.

There had been fears this year's festival could turn violent following the rioting that plagued Britain earlier this month.

Some people asked London's mayor to cancel the festival, and several nervous area business owners and Notting Hill residents prepared for the worst by boarding up their businesses and homes.

Organizers said they saw the carnival as a way to reunite the community.

The Notting Hill Carnival began in 1964 as a means of bringing together whites and immigrants from the West Indies after race riots occurred in the 1950s.