Yellow vest protesters gathered at Champs Elysees on Saturday (March 16) for the 18th round of demonstrations, promising to pile on the pressure on President Emmanuel Macron's government so that their demands are met.

'Yellow vests' kick off ultimatum march in round 18 of Paris demonstrations

'Yellow vests' march through Paris streets for 11th week of protests

The French capital will be on high alert after repeated clashes over the last month between security forces and the protesters.

12,000 police on duty in Paris as 'yellow vests' call protests

Yellow vests protest return to Paris

Paris police on Thursday urged shops and restaurants on the Champs-Elysees to close on Saturday when new protests have been called against President Emmanuel Macron, according to notices delivered to businesses seen by AFP.

Paris police urge Champs-Elysees shops, restaurants to remain shut over protests

'Yellow vests' protesters maintained their blockades across France on Tuesday despite measures delaying tax increases announced by the government on Monday. French Prime Minister Edouard Philippe decided to suspend planned increases to fuel taxes for at least six months in response to weeks of sometimes violent protests, marking the first major U-turn by Macron's administration in 18 months in office.

'Not enough!' say 'yellow vests' and supporters on government's suspension of fuel tax

Police fired tear gas, stun grenades and water cannon in battles with "yellow vest" protesters around the Champs Elysees in Paris on Saturday, marking the third weekend of demonstrations across France against high living costs.

France fuel protest: Riot police fire tear gas at 'yellow vest' protestors, 122 detained

"Yellow vest" protests spread to Reunion island

Yellow vest protest movement continues in southern France