OTTAWA - MPs return to the House of Commons today as Prime Minister Mark Carney has signalled the fall budget’s deficit will be bigger than last year’s — partly because of U.S. tariffs and the government’s response.

The prime minister did not cite a specific dollar figure for the projected deficit during a news conference in Ottawa Sunday.

Budget issues will likely be a key topic when Carney squares off against Conservative Leader Pierre Poilievre for the first time in the daily question period.

Poilievre is returning to the House of Commons after winning a seat in an Alberta byelection last month; that follows a defeat in his longtime Ottawa-area riding in April’s general election.

Government House Leader Steven MacKinnon is set to outline the Liberal government’s fall priorities this

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