British Prime Minister Theresa May has called off Tuesday's crucial vote on her Brexit deal, admitting it would have been voted down. <br />For more on this and other news around the world we turn to our Ro Aram…<br />Aram… the Brexit process is once again thrown into chaos.....<br /><br />That's right Mark… Prime Minister May says she will go back to Brussels to seek changes to the divorce agreement.<br />This is what many MPs wanted in the first place, but Mrs. May tried to push for the vote on Tuesday as scheduled.<br />However, she admitted the deal would be rejected by what she called a "significant margin."<br />The key sticking point is the so-called "backstop" - a provision that would prevent a hard Irish border after the UK leaves the EU. <br />The measure would keep Britain under EU customs rules until new trade agreements are reached.<br />Critics suggest it could keep the UK tied to the bloc indefinitely, unable to strike new trade deals around the world.<br />May continued to defend the plan, but said she would seek reassurances from her EU counterparts.<br /><br />"……….I believe in it as do many members of this House and I still believe there is a majority to be won in this house in support of it. If I can secure additional reassurance on the question of the backstop and that is what my focus will be in the days ahead."<br /><br />She also suggested there was broad support for her deal reached with the EU last month - a claim that was laughed at by some MPs.<br />EU leaders signaled they are prepared to help Britain, up to a point, but insisted the Brexit agreement would not be renegotiated. <br />MPs reacted angrily to May's announcement to postpone Tuesday's vote.<br />The opposition leader Jeremy Corbyn urged the prime minister to step down, saying her government has "lost control of events."<br />Other parties also suggested holding a vote of no confidence. <br />