Clashes police and protesters in Paris

Several dozen demonstrators Sunday in Paris after a symbolic action for climate protection, attacked the police.

Despite a ban on demonstrations were several thousand demonstrators a human chain on the eve of the UN climate summit in Paris. They reached each other in several streets in the city hand to argue for a limit to global warming. On Monday are expected to 147 world leaders expected in Paris for the launch of the UN Conference on Climate Change.

The police had earlier in the day to have a symbolic action of activist civil rights movement Avaaz.