The tragedy at the Grand Mosque of Québec has nothing to do with terrorist "à la Molenbeek" Belgian!  
It’s rather a hate crime tragedy of mass "à l’Américaine" as the shooting of the Church in Charleston is a mass murder (9) which occurred in June 2015 by Dylann Roof (21 years), a white supremacist extremist. 
(see on YouTube)  

The firing of the Grand Mosque of Québec is a hate crime killer of mass murder (6) which occurred 
in January 2017 by Alexandre Bissonnette (27 years) a white supremacist extremist & islamophobia 
(see on YouTube)