There is a lot of controversy at the moment about Canada’s new anti-terrorism legislation. It is worth noting that the UK and Australia both have similar bills before their respective legislatures. For comparative purposes here are the links to all three bills and their attendant background resources.
Canada – Legisinfo
Anti-terrorism Act, 2015
(includes links to debates and related documents)
UK Parliament – Bills Before the House.
Counter Terrorism and Security Act 2015
Parliament of Australia – Bills and Legislation Page
Australia National Security Legislation Amendment Act
(includes links to debates and background material)