PARIS, Dec. 8, 2018 (Xinhua) -- "Yellow Vests" protesters confront police near the Arch of Triumph in Paris, France, on Dec. 8, 2018. Riot police fired tear gas and water cannon at "Yellow Vests" protesters marching in Paris on Saturday in the fourth week-end action despite President Emmanuel Macron's series of concessions. (Xinhua/Chen Yichen/IANS)morePARIS, Dec. 8, 2018 (Xinhua) -- "Yellow Vests" protesters shout slogans near the Arch of Triumph in Paris, France, on Dec. 8, 2018. Riot police fired tear gas and water cannon at "Yellow Vests" protesters marching in Paris on Saturday in the fourth week-end action despite President Emmanuel Macron's series of concessions. (Xinhua/Chen Yichen/IANS)morePARIS, Dec. 8, 2018 (Xinhua) -- "Yellow Vests" protesters confront police near the Arch of Triumph in Paris, France, on Dec. 8, 2018. Riot police fired tear gas and water cannon at "Yellow Vests" protesters marching in Paris on Saturday in the fourth week-end action despite President Emmanuel Macron's series of concessions. (Xinhua/Chen Yichen/IANS)morePARIS, Dec. 8, 2018 (Xinhua) -- A protester kicks a tear shell near the Arch of Triumph in Paris, France, on Dec. 8, 2018. Riot police fired tear gas and water cannon at "Yellow Vests" protesters marching in Paris on Saturday in the fourth week-end action despite President Emmanuel Macron's series of concessions. (Xinhua/Chen Yichen/IANS)more