Canada election: O’Toole calls gravel throwing incident at Trudeau campaign event ‘completely unacceptable’

Conservative Leader Erin O'Toole on Tuesday said it was "completely unacceptable to see harassment of political figures, of media. We live a great democracy, let's act like we do," when asked about gravel being thrown by protesters at Liberal Leader Justin Trudeau during a campaign event in London, Ont. on Monday.