Police arrest 'yellow vest' demonstrators as clashes break out

French police said they arrested more than 100 "yellow vest" demonstrators in Paris on Saturday as clashes broke out with protestors taking to the streets for a 23rd week of anti-government marches.AFP journalists reported scuffles between police and protesters in the afternoon, after hours of calm, as police used anti-riot grenades and tear gas to disperse marchers in the centre of the French capital.Some protesters threw bottles and other objects at police and set fire to vehicles, safety barr