In cities all around the world yesterday, people took to the streets for May Day demonstrations, protests, and rallies. Members of the Occupy movement, leftists, labor groups, students and more made their voices heard from Jakarta to Berlin, and from Lagos to Seattle. Frustration with financial institutions, sluggish economies, and harsh austerity measures were aired, and some rallies became violent, resulting in a number of arrests. Collected here are scenes from yesterday, May Day, as it happened cross the globe.