After a recount, Liberal incumbent MP Brenda Shanahan will hold onto the riding of Châteauguay–Lacolle, defeating Bloc Québécois candidate Patrick O'Hara by a narrow margin. According to Elections Canada, the final tally was 18,029 to 18,017 — a difference of only 12 votes, or .02 per cent. Chief Electoral Officer of Canada Stéphane Perrault announced the recount in Châteauguay–Lacolle, located west of Montreal, on Friday. Patrick O'Hara, the Bloc Québécois candidate, lost to Shanahan after the recount. Elections Canada confirmed it detected a possible issue with one of the ballot boxes after the results had been finalized.

Source: CBC News October 06, 2021 21:32 UTC