OTTAWA — Jewish groups are calling for more to be done to address hate after the arrest of an Ottawa youth in an alleged plot against the Jewish community. The RCMP confirms the youth arrested last week on terrorism charges has been charged with three additional offences after police executed a search warrant, including possession of explosives with intent to endanger life. Police say they found materials used for creating explosive substances, and a source close to the case says court information indicates the explosives were acetone and an oxidizer. Jewish Federation of Ottawa interim CEO Sarah Beutel says in...