Trade unions and other groups are staging rallies around the world to mark International Workers Day. A look at some May Day events:
Fearing France's worker protections are under threat, hundreds of angry youths on the sidelines of a May Day labor rally hurled stones and wood at police in Paris, receiving repeated bursts of tear gas in response.
Trade unions, teenagers, pensioners and families held nearly 300 largely peaceful marches Sunday in Paris and cities around the country. The traditional May Day rallies took on greater weight this year as parliament is debating a bill that would allow longer working hours and let companies lay workers off more...