I'm pretty sure the Mahatma...

...would be disappointed...

“We would love to have a peaceful demonstration, but that would be dreaming,” said Sergeant Ian Lafreniere.

“Unfortunately, I think some people are taking advantage of these situations ... to cause damage and get into confrontations with a police officer. This is not a sport, this is not a game.” Sgt. Lafreniere said four suspects carrying backpacks containing Molotov cocktails were arrested before the march began.

Demonstrators said they were marking International Day Against Police Brutality, and protesting social and racial profiling by Montreal officers.