Citizentube: G20 Protesters Burn Police Car, Smash Shop Windows

"Black-clad protesters set fire to four police cars and used bricks and hammers to smash windows in downtown Toronto in demonstrations against the G20 summit Saturday."

http://www.citizentube.com/2010/06/g20-protesters-set-police-car-on-fire.html

See also: G20 Protesters Clash With Police

http://online.wsj.com/video/g20-protesters-clash-with-police/41B76257-0232-41EB-8377-F74318DBA05B.html

Anarchists protesting the G20 summit in Toronto set fire to police cars and clash with riot cops, prompting Canadian officials to tighten security in the city. Video Courtesy of Reuters.

See also: What the media ignored: 25,000 peacefully demonstrate against G20 policies in Toronto

http://www.youtube.com/watch?v=2mL46t8H4oU