Tougher citizenship rules announced by the Prime Minister today will require applicants to prove their allegiance to Australia and its values and demonstrate stronger English language skills. Mr Turnbull says his government is doing migrants a big favour by raising the required English language standard. But the Greens argue a harder test will exclude people who would otherwise make good citizens. Labor's given initial backing to the Government's proposals. But it says the Government is only making the changes because of divisions within the coalition.