Thousands of demonstrators walk through the streets of downtown Pittsburgh, Pennsylvania, September 25 to protest the G20 economic summit. AFP PHOTO...
Crystal Hoffman of Johnstown, Pennsylvania speaks to a crowd of students gathered behind riot police lines in the Oakland section September 24, 2009...
Woman exhorts a gathering of students to provoke police lined up near Phipps Conservatory where world leaders were gathered at a dinner before the...
Students disperse after police fired tear gas on a gathering near Phipps Conservatory where world leaders were gathered at the University of...
Man mocks police after authorities fired tear gas on a gathering of students near Phipps Conservatory where world leaders were gathered for the G-20...
Riot police block a street during anti-G20 protests in Pittsburgh, Pennsylvania, September 24, 2009. AFP PHOTO / Saul LOEB
Riot police stand in a street during a demonstration against the G20 economic summit in Pittsburgh, Pennsylvania, September 24, 2009. AFP PHOTO /...
Anti G-20 Summit protester is run over by riot police during an unpermitted protest on September 24, 2009 in Pittsburgh, Pennsylvania. Marchers...
An anti G-20 Summit protester covers his ears from an acoustic device used by police to disperse protestors on September 24, 2009 in Pittsburgh,...
An anti G-20 Summit protester kicks a can of tear gas launched by police on September 24, 2009 in Pittsburgh, Pennsylvania. Marchers gathered in...
An anti G-20 Summit protester kicks a can of tear gas launched by police on September 24, 2009 in Pittsburgh, Pennsylvania. Marchers gathered in...
Riot police stand in a street during a demonstration against the G20 economic summit in Pittsburgh, Pennsylvania, September 24, 2009. AFP PHOTO /...
Policeman guards arrested youths in the back of a police van after being arrested by riot police near the campus of the University of Pittsburgh...
Riot police arrest dozens of youths near the campus of the University of Pittsburgh during an evening of unrest on September 26, 2009 in Pittsburgh,...
Young people sit handcuffed in the back of a police van after being arrested by riot police near the campus of the University of Pittsburgh during an...
Riot police arrest a youth near the campus of the University of Pittsburgh during an evening of unrest on September 26, 2009 in Pittsburgh,...
Riot police detain a youth after pepper spraying him near the campus of the University of Pittsburgh during an evening of unrest on September 26,...
Young people sit handcuffed in the back of a police van after being arrested by riot police near the campus of the University of Pittsburgh during an...
Riot police move through the streets near the campus of the University of Pittsburgh during an evening of unrest on September 26, 2009 in Pittsburgh,...
Police arrest young people near the campus of the University of Pittsburgh during an evening of unrest following the G-20 Pittsburgh Summit September...
Young woman sits along the sidewalk as police move in to clear the streets near the campus of the University of Pittsburgh during an evening of...
Police arrest young people near the campus of the University of Pittsburgh during an evening of unrest following the G-20 Pittsburgh Summit September...
Police arrest young people near the campus of the University of Pittsburgh during an evening of unrest following the G-20 Pittsburgh Summit September...
Police officers patrol the streets as thousands of protestors take to the streets of downtown Pittsburgh, Pennsylvania, just a few blocks from the...
Protestors take to the streets of downtown Pittsburgh, Pennsylvania, just a few blocks from the G20 Summit on Sptember 25, 2009. Police in Pittsburgh...
Workers watch from their office windows as thousands of protestors take to the streets of downtown Pittsburgh, Pennsylvania, just a few blocks from...
Policeman in riot gear is positioned on a steet during protests in downtown Pittsburgh, Pennsylvania, as world leaders attend the G20 Summit on...
Protesters take to the streets of downtown Pittsburgh, Pennsylvania, just a few blocks from the G20 Summit. AFP Photo/Paul J. Richards
Man walks two young girls as police in riot gear guard the streets during protests in Pittsburgh, Pennsylvania, as world leaders attend the G20...
Police in riot gear follow protestors on the streets of downtown Pittsburgh, Pennsylvania, just a few blocks from the G20 Summit on September 25,...
Police in riot gear follow protestors across a bridge in Pittsburgh, Pennsylvania, as world leaders attend the G20 Summit on September 25, 2009....
Downtown resident gets directions from a police officer during a demonstration against the G20 summit in downtown Pittsburgh, Pennsylvania. AFP...
Protestors takes to the streets of downtown Pittsburgh, Pennsylvania, just a few blocks from the G20 Summit on September 25, 2009. Police in...
Police officer in riot gear protects a store front as protestors take to the streets of downtown Pittsburgh, Pennsylvania, just a few blocks from the...
Protestor, wearing an outfit made of recycled items, takes to the streets of downtown Pittsburgh, Pennsylvania, just a few blocks from the G20 Summit...
Police officer in riot gear protects a store front as protestors take to the streets of downtown Pittsburgh, Pennsylvania, just a few blocks from the...
Police officer in riot gear protects a store front as protesters take to the streets of downtown Pittsburgh, Pennsylvania, just a few blocks from the...
Demonstrators have their photograph taken with a police officer dressed in riot gear prior to joining thousands in a march through downtown...
Protesters take to the streets of downtown Pittsburgh, Pennsylvania, just a few blocks from the G20 Summit. AFP Photo/Paul J. Richards
Protestors take to the streets of downtown Pittsburgh, Pennsylvania, just a few blocks from the G20 Summit. AFP PHOTO/Paul J. Richards
Woman protests as riot police secure the streets of downtown Pittsburgh, Pennsylvania, during the G20 Summit. AFP Photo/Paul J. Richards
Police officer dressed in riot gear along with his guard dog watch as thousands of demonstrators march through downtown Pittsburgh, Pennsylvania, on...
Resident and child pass riot police as they patrol a street on September 25, 2009 during a demonstration against the G20 summit in downtown...
Demonstrators protests in front of police officers dressed in riot gear prior to joining thousands of marchers through downtown Pittsburgh,...
Demonstrators greet a police officer dressed in riot gear prior to joining thousands of marchers through downtown Pittsburgh, Pennsylvania, September...
Riot police block a road as thousands march through downtown Pittsburgh, Pennsylvania, September 25 to protest the G20 economic summit. AFP PHOTO /...
Thousands march through downtown Pittsburgh, Pennsylvania, on September 25 to protest the nearby G20 economic summit. AFP PHOTO/Saul LOEB
Riot police watch as thousands march through downtown Pittsburgh, Pennsylvania, on September 25 to protest the nearby G20 economic summit. AFP...
Onlookers watch from a storefront window alongside riot police officer as thousands march through downtown Pittsburgh, Pennsylvania, September 25 to...
Riot police keep watch over a rally of anti G20 demonstrators prior to marching through downtown Pittsburgh, Pennsylvania, September 25 to protest...
Demonstrators rally across from riot police prior to marching through downtown Pittsburgh, Pennsylvania, September 25 to protest the G20 economic...
Alabama State Troopers watch as thousands of demonstrators march through downtown Pittsburgh, Pennsylvania, September 25 to protest the G20 economic...
Police officer in riot gear with a police dog stands on the 7th Street Bridge near the convention center where the G-20 Summit meeting is being held...
Thousands of demonstrators march through downtown Pittsburgh, Pennsylvania, on September 25 to protest the nearby G20 economic summit. AFP PHOTO/Saul...
Protester walks on the railing of the 7th Street Bridge near the convention center where the G-20 Summit meeting is being held on September 25, 2009...
Marchers walk across Pittsburgh's 7th Street Bridge from downtown during a march denouncing the nearby G-20 Summit meeting on September 25, 2009 in...
Anti-war protesters carry mock caskets through downtown Pittsburgh where the G-20 Summit meeting is being held on September 25, 2009 in Pittsburgh,...
Protesters march through downtown where the G-20 Summit meeting is being held on September 25, 2009 in Pittsburgh, Pennsylvania. Protesters marched...
Protester jumps off of the railing of the 7th Street Bridge near the convention center where the G-20 Summit meeting is being held on September 25,...
Anti-war protesters carry mock caskets through downtown where the G-20 Summit meeting is being held on September 25, 2009 in Pittsburgh,...
