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A New York Post reporter caught in the chaos of violent protests in Paris recounted how a peaceful march of more than 100,000 people took a frightening turn.

"All of a sudden, it exploded," Gabrielle Fahmy recalled Tuesday on "Fox & Friends."

"When it got dark, when they reached the endpoint of the march, it's like they didn't know what to do anymore," she continued.

PHOTOS SHOW AFTERMATH OF RIOTS AS MASKED GROUPS CLASH WITH POLICE ACROSS FRANCE

The crowd dispersing from Reform Square set up barricades in the streets on Oct. 24, 2026 in Marseille, France (left); New York Post reporter Gabrielle Fahmy (right). (Sener Yilmaz Aslan/Getty Images; Fox & Friends)

"Tensions had been mounting. These new people I saw sort of joined the protest towards the end. We saw some people arrive by metro. They were dressed differently, hiding their faces.…