During a stop to promote the budget in Oakville, Ont., Justin Trudeau was asked about Poilievre's recent appearance alongside anti-carbon price activists in Atlantic Canada who were waving expletive-laden flags bearing the prime minister's name.

But Jagmeet Singh refused to say explicitly whether he supports the consumer levy, and Canadians having to pay it on everyday items like gasoline.

Separately but simultaneously, Canada's federal Conservative and NDP leaders laid out their respective visions for how best to defeat Prime Minister Justin Trudeau. 

Canada's spy agency knew China "clandestinely and deceptively interfered" in the past two federal votes, according to a top-secret briefing document that emerged on Monday at the public inquiry into foreign interference.

Conservative Leader Pierre Poilievre's path to power may be by prosecuting Prime Minister Justin Trudeau's past eight years in government, but his road to victory is painted NDP orange.

Tuesday brought another day of attacks against the Liberals' carbon pricing policy, even as Trudeau sought to catch Canadians' attention by announcing billions in new spending for housing construction.  

Newfoundland and Labrador Premier Andrew Furey penned a letter to Trudeau over the weekend asking for an "emergency meeting of leaders."

Heading into spring, Poilievre has spent much of his time outside of Parliament campaigning across the country — and on social media — to keep up momentum as he rides high in public opinion polls. 

Half of respondents said they are wary of the government's ability to protect free speech, and a majority said they support the controversial proposal to introduce stiffer sentences for hate speech crimes. 

Blood spattered the sidewalk on Thursday outside a suburban Ottawa home where police recovered the bodies of a mother, her four young children and a family friend from the aftermath of a vicious attack.