Video: St. Patrick's Day riot in London, Ont. Add to ... Featuring video from CTVNews.ca Published Sunday, Mar. 18 2012, 8:50 AM EDT Last updated Sunday, Mar. 18 2012, 9:57 AM EDT A CTV News correspondent says the riot started around midnight and says at one point there were as many as 1,000 people rioting and vehicles were set on fire. Watch More Video: St. Patrick's Day riot in London, Ont. Watch the unique way endangered caribou are being saved in B.C. Liberal Party maintains lead over Tories in brand strength Three rare white tiger cubs shown off at Buenos Aires Zoo Calgary stabbing victim was 'very popular': Former employer Boston backpack hoax suspect charged, sent for psychiatric evaluation Survivors recall early moments of ferry rescue Passengers abuzz after plane hits swarm of bees NYPD disbands Muslim surveillance program to much praise Helicopter footage captures ferry sinking, survivors fleeing Rescuers save passengers after ferry sinks near South Korea Message of togetherness at Calgary vigil for stabbing victims Animal cruelty investigation underway after disturbing video surfaces Ottawa police officer jumps into frozen river to rescue drowning woman A look at security in a post-Boston bombing world Salary hike could be in the works for Rob Ford and councillors Canada-Russia diplomacy continues despite Ukraine crisis Police officer's son suspected in Calgary's worst mass murder India's transgenders celebrate historic human rights ruling Five young people dead after stabbing rampage at Calgary party Prosecutor wraps up five-day Pistorius grilling Comments AA More Related to this Story Social networks fuel the riot, capture the mayhem and identify suspects Video: London cleans up after ugly St. Patrick's Day riot Video: St. Patrick's party ignites mayhem in London, Ont.