Meanwhile, Jewish leaders are urging community members to be diligent about security after two teenagers were arrested on terror-related charges in the last five days OTTAWA — RCMP are warning about a rise in violent extremism among Canadian youth, while Jewish leaders urge community members to be diligent about security after two teenagers were arrested on terror-related charges in the last five days. The Mounties say five Canadian youth have been arrested in terror-related cases since June. "The RCMP is seeing a concerning trend of violent extremism and terrorist use of the internet, including amongst young persons," the Mounties said...