Voters are expected to reject breaking away from France's control after almost 170 years despite rising support for the move.
The United States, the EU and Russia are battling for influence over peace negotiations between Kosovo and Serbia.
Rimvydas Valatka told Euronews Lithuania is still short of being "a European state".
Scotland's parliament also voted to keep the European Union flag flying outside the parliament building after Brexit.
They were 97,7% to vote in favour of the independence's island
Events have been taking place in Kyiv to mark Ukraine's Independence Day.
Former U.S. President Bill Clinton and ex-Secretary of State Madeleine Albright visit Pristina
The police estimated 200,000 took to the streets of Catalonia's capital but organisers put the figure at half a million.
Voters in New Caledonia have decided that the South Pacific islands should become remain as a French territory
Riot police broke up a demonstration in Barcelona after tens of thousands of Catalan independence supporters protested, a year on from the vote deemed illegal by Madrid.