Prime Minister Theresa May leaves 10 Downing Street in London, to attend Prime Minister's Questions at the Houses of Parliament, Wednesday, 15 March, 2017

Theresa May faces her weekly session of questions in the House of Commons this week amid a startling array of developing political stories. Here's the latest.

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Prime Minister's Questions this week comes as Theresa May is handed the power to trigger the start of Brexit; as the SNP declare their intention to hold a new referendum on Scottish independence; and as a potentially explosive report is due any day now into Tory expenses in the 2015 election.

Then there's the ongoing fallout from last week's Budget by Philip Hammond, which was describing as exhibiting "rookie errors" by a former Conservative Chancellor.

While it is never easy to predict what Jeremy Corbyn will interrogate Ms May on first, he also has a wealth of social issues to raise - from the crisis in the NHS to the dramatic impacts of Tory cuts to local government budgets.

On the Prime Minister's side, she is likely to highlight new figures which came out at 9.30am on Wednesday morning, showing another dip in unemployment