Thousands of anti-Wall Street demonstrators converged on New York's financial district on Wednesday, their ranks swelled by nurses, transit workers and other union members joining the protest over economic inequality and the power of U.S. financial institutions. The movement has surged in less than three weeks from a ragged group in downtown Manhattan to protesters of all ages demonstrating from Seattle to Tampa. These are a selection of images from the past few days which capture the ongoing Occupy Wall Street campaign as it begins to spread across the country.