As Canadians head to the polls, concerns are rising over misleading rightwing content on US social media platforms that may influence the election. An FT analysis of over 350,000 posts on X shows coordinated accounts promoting Conservative leader Pierre Poilievre while attacking Liberal leader Mark Carney, with a significant volume of disinformation traced back to US influencers and bots. Amid relaxed content moderation policies by platforms like X and Meta, the Canadian public is increasingly wary of foreign electoral interference, particularly from the US, surpassing concerns about influence from China, Russia, and India.