Police officers try to push protesters back onto the pavement Nov. 14, 2012, after they blocked traffic on Oxford Street in London while demonstrating against the dismissal of 28 workers employed by contractors on the Crossrail transport project, whom they say were fired for being trade union members. (Associated Press)

Photo by: Matt Dunham

Police officers try to push protesters back onto the pavement Nov. 14, 2012, after they blocked traffic on Oxford Street in London while demonstrating against the dismissal of 28 workers employed by contractors on the Crossrail transport project, whom they say were fired for being trade union members. (Associated Press)