Jagmeet Singh, Justin Trudeau and Erin O'Toole have all made stops in Alberta in the past few weeks.

The video of federal NDP Leader Jagmeet Singh at a 2016 seminar on Sikh sovereignty — where a fellow panellist says violence can help achieve independence — has surfaced.

NDP Leader Jagmeet Singh is defending a decision to speak at a Sikh separatist rally in 2015 where the stage he spoke on featured a portrait of the leader of a militant extremist group.