The Pollcast: What to watch for in Monday's byelections

Chatter on Parliament Hill has been dominated by the SNC-Lavalin affair, but that doesn't diminish the importance of the three federal byelections being held on Monday.

The NDP and the Liberals will both test their support in the crucial electoral battleground of Quebec, the People's Party of Canada will be on the ballot for the first time andNDP Leader Jagmeet Singh is putting his political life on the line in Burnaby South. That's a lot to keep an eye on.

• Podcasts: Subscribe to the CBCPollcast
• Poll Tracker: Check out the latest projections

In addition to the vote in the B.C. riding of Burnaby South, where Singh is trying to win his firstseat in the House of Commons, byelections will be held in the Ontario riding of YorkSimcoe and the Quebec riding of Outremont, scene of Tom Mulcair'shistoric breakthrough in the province for the NDP in 2007.

The Liberals are hoping to wrest Outremont away from the New Democrats while the Conservatives look to hold on to YorkSimcoe. But there will be more to Monday's results than just a list of winners and losers.

To break it all down,the CBC's John Paul Tasker and Hannah Thibedeaujoined host and CBC polls analyst ric Grenier on this week's episode of thePollcastpodcast.

Then, Christian Bourque, executive vice-president at Lger, discusses the latest poll numbers gauging the impact of the SNC-Lavalin affair on the Liberals' electoral fortunes.

Listen to the full discussion above or subscribe to the CBCPollcastand listen to past episodes of the show.