The Brexit Secretary David Davis has said Parliament will have a take-it or leave-it vote on the final deal before the UK leaves the EU. Susan Hulme has the major parliamentary stories of the day. * The Foreign Secretary Boris Johnson faces more questions over the jailing in Iran of a British-Iranian woman. * MPs speak out again about the problems with the new Universal Credit welfare system. * SNP MPs say the demand is growing for a second independence referendum North of the border.