A Tory MP says they will stall House proceedings until the prime minister grants carbon pricing relief to farmers and exempts all First Nations from the tax.
The latest 338 Canada polling model has the Tories with 194 (+75), Liberals at 90 (-70), the Bloc at 32, the NDP at 20 (-5), and the Green Party at 2 seats.
Tory infighting and varying stances from major parties has led to intense debate over the future of the HS2 project, ahead of Conservative Party Conference.