The Liberals are up one percentage point (35 per cent) and the Conservatives are down three percentage points (34 per cent) from last week, according to a new Ipsos poll.

"What constituency is asking for that again, except for the most hardened partisan Conservatives?" said Liberal MP Seamus O'Regan. "I mean, who looks at it now and thinks that Lynn Beyak was an inspired choice? And where does it leave us (in future) -- Sen. Ezra Levant?''

Trudeau criticized Scheer over his response to a man who invoked the "Pizzagate" conspiracy theory at a town hall in Kitchener, Ont. this week.