Prime Minister Theresa May urged the EU to "step forward together" with Britain today. <br/><br/>The embattled British premier was set to meet EU President Donald Tusk on the sidelines of a summit with ex-Soviet states in Brussels in a bid to unlock negotiations on a future trade deal.<br/>'<br/>Impatient EU leaders were increasingly hopeful she would bring a new proposal on the thorny issue of Britain's exit bill, after senior British ministers agreed earlier this week to improve the offer to a reported 40 billion euros.<br/>'<br/>Arriving in Brussels, May refused to deny she was ready to bump up the amount Britain would pay when she meets Tusk, but insisted any such move must be tied to a final deal on future relations next year.<br/>'<br/>''''''<br/>