There is a bitter chill in Vilnius. How much will the weather reflect any diplomatic recriminations when EU leaders meet with Ukraine’s president Viktor Yanukovich in the Lithuanian capital for an eve-of-summit dinner?<br /><br /> They will mix for the first time since the Ukrainian president spurned Brussels’ offer of a free trade deal and decided on closer ties with Russia.<br /><br /> It is not clear what the Ukrainian president hopes to achieve by attending the dinner.<br /><br /> EU leaders including German Chancellor Angela Merkel and British Prime Minister David Cameron will meet beforehand to work out how to handle the situation, officials said.<br /><br /> And how much tension will the Yulia Tymoshenko situation cause especially with Angela Merkel?<br /><br /> Germany was going to accept Tymoshenko for medical treatment under a compromise which was being put together by a two-man humanitarian mission. That along with the signing of the trade deal has gone by the wayside.<br /><br /> The summit is part of the Eastern Partnership, the EU