Dunn and his fellow Reform candidate, Isaac Buchanan were even shot at, and a man was killed, at a campaign event in the streets of Toronto. Charles Dickens, who visited Toronto the next year, recounted the events:
During a campaign event in Toronto, Dunn and his Reform colleague, Isaac Buchanan, were shot at, leading to a fatal incident.  Charles Dickens, who visited Toronto the next year, documented these events.