Amateur video showing police officers entertaining revelers at Europe's biggest street festival has gone viral after being uploaded to the internet.

The Notting Hill Carnival draws hundreds of thousands of people every year, with floats and bright costumes, in a celebration of Caribbean culture.

The unexpected cop dancing happened Monday night, which is traditionally an "adults only" night.

This is the 49th year the carnival has been held.

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Tracy Woodard from InTown Cares (left) and Lauren Hopper from Mercy Care organization work with residents at the Copperton Street encampment in August 2024. 
(Miguel Martinez / AJC)

Credit: Miguel Martinez