A view shows a barricade with police forces and protesters wearing yellow vests, a symbol of a French drivers' protest against higher diesel taxes, during clashes as part of a demonstration near the Place de l'Etoile in Paris, France, December 1, 2018. REUTERS/Stephane Mahe

PARIS (Reuters) - A building was set on fire by protesters on a major avenue near the Arc de Triomphe in central Paris, a Reuters witness said.