French riot police officers are enveloped by fireworks during nationwide demonstrations over the rising cost of living and inequality, organised by the Yellow Vest movement, labour unions, and high school and university students, in Paris. (AFP pic)PARIS: France has launched an attempted murder investigation after petrol bombs were thrown at security forces during a weekend protest in Paris, prosecutors told AFP on Sunday.

On Saturday, clashes erupted in Paris and some other cities after hundreds of thousands of people staged a third weekend of protests against soaring living costs.

The Paris police prefecture said that several hundred rioters had attacked security forces with projectiles, including a Molotov cocktail.