<p>Police used tear gas to break up a protest on Place de la Republique in Paris on Saturday, April 23, after demonstrators reportedly set fire to a police car. Protesters rallying under the banner #NuitDebout (up all night) have been staging nightly protests on the square in opposition to austerity and globalization. France 24 reported</a> that 12 people were arrested during the clashes.</p><p>This video shows a heavy police presence on the square, a burning vehicle, and police firing teargas as protesters throw bottles and other objects. Credit: YouTube/Alexis Kraland</p>