Who are the key candidates in upcoming Canadian federal elections?

Among the key candidates of upcoming Canadian federal elections is PM Mark Carney, who succeeded ex-PM Justin Trudeau earlier this year and is leader of ruling Liberal Party. Pierre Poilievre leads the Conservative Party and is current Leader of Opposition in parliament. Yves-François Blanchet leads Bloc Québécois, a Quebec separatist party, while Jagmeet Singh represents the New Democratic Party.