Americans urged to exercise caution as demonstrations, clashes and looting raise security concerns across several European cities.

French authorities have expressed relief after recent protests over rising living costs resulted in less violence than previous weekends.

Protests continue, but were less violent in France this past weekend. Meanwhile, nationwide protests in Germany led to riots and looting in some areas; protesters camped outside Rossio Square in Lisbon,

Police said that Molotov cocktails were thrown at the emergency services, as protests grew in Germany following weeks of unrest in neighboring France.

Young people in France are again taking to the streets, but this time they are joined by their peers in Germany. Thousands marched Saturday.

Young people fed up with underfunded schools and a high cost of living are increasingly challenging leaders they see as disconnected from their concerns and indifferent to their future.

Hundreds of thousands of protesters, inspired by frustrated high school students, took to the streets across France on Saturday in a third consecutive weekend of demonstrations over living costs and education. Youth-led protests also took place elsewhere in Europe, including Germany and Portugal.

Germany, France, Spain and Italy are among the nations expecting protests on Halloween following a recent wave of Gen-Z led marches across the continent.