PARIS, FRANCE - DECEMBER 08: Yellow vests stage a protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests stage a protest against rising oil prices and deteriorating economic conditions as they clash with security officers in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests stage a protest against rising oil prices and deteriorating economic conditions as they clash with security officers in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Firefighters extinguish a burning vehicle, which was set on fire by yellow vest protesters, during a protest against rising oil prices and deteriorating economic conditions along the Champs-Elysees Avenue in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Firefighters extinguish a burning vehicle, which was set on fire by yellow vest protesters, during a protest against rising oil prices and deteriorating economic conditions along the Champs-Elysees Avenue in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Security forces intervene in yellow vests' protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Security forces intervene in yellow vests' protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests stage a protest against rising oil prices and deteriorating economic conditions as they clash with security officers in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests stage a protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests stage a protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests stage a protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests stage a protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests stage a protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vest protesters stage a demonstration against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vest protesters stage a demonstration against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Security forces intervene in yellow vests' protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Security forces intervene in yellow vests' protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: An injured yellow vest protester is seen during a protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: (EDITORS NOTE: Image depicts graphic content) An injured yellow vest protester is seen during a protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Security forces intervene in yellow vests' protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Elyxandro CEGARRA - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: French riot police take security measurements against yellow vests (gilets jaunes) near Place du Trocadero in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests (gilets jaunes) protesters burn cars near Avenue Marceau during protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests (gilets jaunes) protesters burn a car near Avenue Marceau during protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests (gilets jaunes) protesters burn a car near Avenue Marceau during protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow Vests (Gilets jaunes) protesters set barricades on fire in the street near the Champs Elysees as they clash with French police forces during demonstrations against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests (gilets jaunes) protesters burn a car near Avenue Marceau during protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow Vests (Gilets jaunes) protesters set barricades on fire in the street near the Champs Elysees as they clash with French police forces during demonstrations against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow Vests (Gilets jaunes) protesters set barricades on fire in the street near the Champs Elysees as they clash with French police forces during demonstrations against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests (gilets jaunes) protesters burn a car near Avenue Marceau during protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow Vests (Gilets jaunes) protesters set barricades on fire in the street near the Champs Elysees as they clash with French police forces during demonstrations against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: A yellow vests (Gilets jaunes) protester stands with French flag among smoke as French police use tear gas during demonstration against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow Vests (Gilets jaunes) protesters set barricades on fire in the street near the Champs Elysees during clashes with French police forces as part of a demonstration against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests (Gilets jaunes) protesters throw rocks to police forces as the riot police use tear gas during demonstrations against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: A yellow vests (Gilets jaunes) protester stands with French flag among smoke as French police use tear gas during demonstration against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow Vests (Gilets jaunes) protesters set barricades on fire in the street near the Champs Elysees as they clash with French police forces during demonstrations against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests (gilets jaunes) protesters burn a car near Avenue Marceau during protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests (gilets jaunes) protesters burn a car near Avenue Marceau during protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests (gilets jaunes) protesters burn a car near Avenue Marceau during protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests (gilets jaunes) protesters burn a car near Avenue Marceau during protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow vests (gilets jaunes) protesters burn a car near Avenue Marceau during protest against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )

PARIS, FRANCE - DECEMBER 08: Yellow Vests (Gilets jaunes) protesters set barricades on fire in the street near the Champs Elysees as they clash with French police forces during demonstration against rising oil prices and deteriorating economic conditions in Paris, France on December 08, 2018. ( Mustafa Yalçın - Anadolu Agency )