The RCMP and advocacy organizations are warning about a rise in online extremism in Canada after the arrest of an Ottawa youth who is facing terrorism-related charges for allegedly plotting an attack on Jewish people. The Mounties announced over the weekend that the youth was arrested on Friday and charged with two offences: facilitating a “terrorist activity” by communicating instructional material pertaining to an explosive substance; and knowingly instructing a person to carry out terrorism against Jewish people. The individual cannot be identified under the Youth Criminal Justice Act. The RCMP did not release the age of the teen who...