On a rainy May Day morning, at least 200 people marched from Brooklyn to Manhattan across the Williamsburg Bridge, and were met by around 100 police in varying degrees of riot uniform. The crowd was mostly local and largely peaceful. There were four arrests reported. Police confiscated a shopping cart filled with riots shields fashioned from traffic barriers. Nearly every MTA train that passed the protest honked loudly in support. Before continuing to follow the crowd, James West compiled this short photo essay.