Some of the Liberal election signs were vandalized in the riding of Pontiac by stickers of the Quebec flag. In the municipality of Pontiac, whether in the Quyon, Luskville, Breckenridge or even elsewhere in the riding, the face of the incumbent MP, William Amos, have been vandalized with a sticker of the Quebec flag, on the nose, the mouth, or directly on the forehead. Signs of the incumbent premier, Justin Trudeau, have also been vandalized in a few places in the Pontiac.
Note that people who commit acts of vandalism on election signs could be subjected to fines and even imprisonment. Some of the election signs of the Hull-Aylmer Liberal candidate, Greg Fergus, were also vandalized.