MANHATTAN - A massive "Occupy Wall Street" rally is expected to get larger throughout the afternoon as union members join in.

Thousands of people from across the country are expected at City Hall today. Protesters have been gathered since Sept. 17 in what they say is an effort to end corporate greed and strengthen the middle class.

College students are also being urged to walk out of their classrooms at 2 p.m. and join the event.

NYPD disputes claims protesters arrested without warning700 arrested after protest on the Brooklyn Bridge