![Europe Calling show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/049/928/small/europe-calling.jpg)
Summary: Protest marches have been held around the world to mark International Workers' Day - and while some remained peaceful parades, others escalated into violent clashes and destruction. Riot police in Paris arrested more than 200 anti-capitalist demonstrators today as they went on the rampage (centre, a car burns in the French capital) to mark May Day.....plus much more......