Tory loyalists to test if Irish backstop end date will win over rebels

The current backstop arrangement would keep the UK in an effective customs union until another solution can be found to avoid a hard border in Northern Ireland.Loyalist Tory MPs are to test whether inserting a sunset clause for the Northern Irish backstop would be a path to convincing rebels to accept Theresa May’s Brexit deal.Andrew Murrison, the chair of the Northern Ireland affairs committee, has tabled an amendment to May’s Brexit deal – set to be voted on by MPs on Tuesday