Telegraph: Police fired tear gas at protesters who hurled projectiles at them in Paris as a largely peaceful human chain of several thousand formed nearby to urge action on global warming ahead of the global environment summit.
A small group, some masked, took part in the violence, with some of them chanting: "State of emergency, police state, you will not deprive us of our right to demonstrate."
One young man who gave his name as Ricard shouted "shame on the Republic" at police in the square.
He told...