Al-Jazeera Video: Wikileaks: Canadian soliders 'killed' in friendly fire

"As the US government assesses the impact of the wiki leaks revelations on military operations in Afghanistan, the posting of the material online has unveiled another previously unknown incident.

The documents suggests that four Canadian soldiers who died in 2006 were actually killed when a US jet dropped a bomb on a building they were occupying.

Al Jazeera's Imtiaz Tyab reports from Toronto."