Paris - Police fired tear gas and clashed with demonstrators on Paris’ Place de la Republique square in an early test of the authorities’ determination to ban public demonstrations during the international climate negotiations.

Thousands of demonstrators gathered in central Paris Sunday and formed a human chain along the route of a long-planned protest march that was banned by France’s Socialist government in a security crackdown following attacks by Islamic extremists earlier this month.

In mid-afternoon scuffles broke out between riot police and protesters on the Place de la Republique, where Parisians have gathered to place flowers in remembrance of the 130 mostly young victims of the Nov. 13 attacks.

A big activists’ march Sunday was banned because of a state of emergency imposed in France after Nov. 13 extremist attacks that killed 130 people.... Read More: VIN