BRANTFORD, ONT-Ontario Conservative MP Larry Brock is resigning as member of Parliament and is to return to his previous role as a prosecutor in southwestern Ontario. First elected in 2021, Brock served as justice critic but was shuffled out of that position by Conservative Leader Pierre Poilievre in June. His departure also leaves another vacancy for the Conservatives and triggers a byelection in the southwestern Ontario riding. He is the seventh MP to leave Poilievre’s caucus since the 2025 election, with four of them crossing the floor to the Liberals. “My commitment…Register This content is for Yearly Subscription, Yearly Subscription – Corporate, Print Subscription Only, Canada Print and Online, and USA Print and Online members only.