Canada's Conservative Party leader Pierre Poilievre concedes defeatin the country's election and promises to work with the Liberal government in countering US President Donald Trump's trade war and annexation threats. "We will always put Canada first," Poilievre told supporters in Canada's capital, adding: "Conservatives will work with the prime minister and all parties with the common goal of defending Canada's interests and getting a new trade deal that puts these tariffs behind us while protecting our sovereignty." SOUNDBITE