MOSCOW (AP) — Workers and activists marked May Day on Tuesday with rallies to demand their government address labor issues.International Workers' Day is a public holiday in many countries, though activities are restricted in some places, sometimes leading to confrontations. A look at some of the events around the world: ___ FRANCE Paris Mayor Anne Hidalgo has joined political figures condemning violence during May Day protests in the French capital that she blamed on "hundreds of masked individuals." A car, a motorbike and a construction digger were among vehicles set on fire by vandals on Tuesday as dramatic plumes of smoke swirled into the air.