The entire Arc de Triomphe at the top of the Champs-Elysees in Paris is to stay wrapped in fabric for two weeks, an art installation conceived by the late artist Christo and inaugurated on Thursday by French President Emmanuel Macron.

Rioters looted and torched shops and businesses on the famed Champs-Elysees avenue in Paris on Saturday, on the 18th weekend of French "yellow vest" protests, characterised by a sharp increase in violence after weeks of dwindling turnout.