Police detain hundreds during fourth weekend of protests in Paris

France has seen yet another day of anti-government violence and there have been more than 500 arrests. For a fourth weekend in a row, thousands of protesters descended on the capital. Ministers have now claimed that their movement has been taken over by violent infiltrators and today protesters were confronted by thousands of riot police.

We also speak via the internet to security analyst Anne Judichelli who is near the Champs Elysee.