Reports both before and after the general election of May 2011, in which Stephen Harper's Conservatives won a majority, claimed that supporters of opposition parties in at least four ridings (constituencies) were directed to the wrong polling station by a recorded phone message, purporting to come from the electoral authority.

ECONOMIST: Dirty tricks, but did they work?

People trolling for parking spaces at Atlanta, Georgia, polling stations were directed by other voters to available spots.

CNN: Voting-line camaraderie reflects 'we' spirit, expert says