European Council President Donald Tusk says the EU is willing to help British Prime Minister Theresa May win the British parliament's approval of their Brexit deal. <br />His tweet came after the two met in Brussels on Tuesday, but he questioned how the bloc could help.<br />May is on a desperate mission to get reassurances from EU leaders that the sticking point of the so-called "backstop" is only temporary. <br />The customs arrangement would prevent a hard Irish border after the UK leaves the EU in case no future trade deals are made. <br />But May's critics suggest it would keep the UK permanently under EU customs rules.<br />Other EU leaders have said the Brexit deal cannot be renegotiated, fueling concerns Britain will leave the bloc without a deal. <br />
