What's going on with Justin Trudeau being pressured to resign as Prime Minister?

It seems like there's been a hard turn against Trudeau in Canada. Example of what I mean (Jagmeet Singh saying he should resign):

https://www.youtube.com/watch?v=EkyC0iyKj-w

Is this just politics as usual in Canada or did some specific thing happened that scandalized Trudeau? Everything I'm looking up sounds really vague.