Protesters Converge on G20 (11 images)

Three protester with his face hidden joins the march as it leaves Arsenal Park on its way to the G20 in Pittsburgh, Pennsylvania on September 24, 2009. Pittsburgh is the host city for the two day G20 Summit. UPI /Archie Carpenter

Policemen in riot gear exits a school bus to disperse the remaining protesters in Pittsburgh, Pennsylvania on September 24, 2009. Pittsburgh is the host city for the two day G20 Conference. UPI /Archie Carpenter

A group of protester rolls a trash dumpster down Liberty Avenue into police lines in Pittsburgh, Pennsylvania on September 24, 2009. Pittsburgh is the host city for the two day G20 Conference. UPI /Archie Carpenter

A protester rolls a trash dumpster down Liberty Avenue into police lines in Pittsburgh, Pennsylvania on September 24, 2009. Pittsburgh is the host city for the two day G20 Conference. UPI /Archie Carpenter