The mosque is Belgium’s biggest. Officials say it’s a hotbed for extremism.

https://www.washingtonpost.com/amphtml/world/europe/the-mosque-is-belgiums-biggest-officials-say-its-a-hotbed-for-extremism/2017/11/10/8a6d7746-b849-11e7-9b93-b97043e57a22_story.html