USA Olympic Torch Relay (25 images)

An Olympic supporter (L) and a pro-Tibetan demonstrator square off near the planned route of the Olympic torch in San Francisco on April 9, 2008.The route of the Olympic torch run was changed to bypass the demonstrators. (UPI Photo/David Yee)

Tibetan and other demonstrators block the announced Olympic Torch Relay route on the Embarcadero in San Francisco on April 9, 2009. Police changed the route at the last minute in to thwart demonstrators. (UPI Photo/Bruce Gordon)

Tibetan and other demonstrators block the announced Olympic Torch Relay route on the Embarcadero in San Francisco on April 9, 2009. Police changed the route at the last minute in to thwart demonstrators. (UPI Photo/Bruce Gordon)

Tibetan and other demonstrators block the announced Olympic Torch Relay route on the Embarcadero in San Francisco on April 9, 2009. Police changed the route at the last minute in to thwart demonstrators. (UPI Photo/Bruce Gordon)