<span style="color: #222222;">The European Union's Brexit negotiator has insisted that the EU stands united in defence of its divorce deal with Britain. </span><br />'' <br />'' <span style="color: #222222;">His comments come after UK Prime Minister Theresa May won a parliamentary mandate to reopen the agreement.</span><br />'' <br />'' <span style="color: #222222;">Meanwhile, German foreign minister Heiko Maas, echoing European Council President Donald Tusk, has said the Brexit deal sealed by May and the EU is the best and only solution for an orderly withdrawal. Maas added that it still remains unclear what the British government wants amended in the deal.</span><br />'' <br />'' <span style="color: #222222;">Legislators, yesterday, voted in favour of a proposal seeking alternative arrangements to replace the Irish backstop in May's Brexit plan. </span><br />'' <br />'' <span style="color: #222222;">The backstop is aimed at keeping an open border between European Union-member Ireland and British-ruled Northern Ireland after Brexit. However, it is strongly opposed by many in May's Conservative Party. </span><br />'' <br />'' <span style="color: #222222;">Another amendment, rejecting a no-deal Brexit, also won the support of Parliament yesterday. The vote was non-binding and the date for Brexit remains 29 March.</span>