A ceasefire and further prisoner swaps are among the items on the agenda at the summit in Paris.
The pullout could pave the way for a high-stake summit between Ukraine, Russia, France and Germany.
The inflow of illicit tobacco from the EU’s eastern border continues to flourish. The EU should make the most of the current situation and encourage both Ukraine and Belarus to further commit to tackling a problem.
Zelensky started the "marathon" press conference from 10:00 am local time and took the last questions shortly after midnight.
It is the first concrete sign of how Ukraine plans to handle investigations that are being closely watched in Washington amid possible impeachment of Donald Trump.
The US House Intelligence Committee released text messages between a Zelensky aide and US diplomats
Israeli Prime Minister Benjamin Netanyahu on Sunday became the first foreign leader to visit Ukraine since the election of former actor Volodymyr Zelensky as President of the eastern European country.
Lack of support in parliament has meant the newly-elected president, former comedian Volodymyr Zelenskyi, has been unable to enact his agenda or appoint cabinet ministers, which have to be approved by lawmakers.
A summit in Kiev with EU leaders Donald Tusk and Jean-Claude Juncker offers a chance for Ukrainian President Volodymyr Zelensky to prove he is a serious statesman, the Atlantic Council's Peter Dickinson told Euronews.
The court ruling means the snap election to replace the Ukranian parliament can go ahead as planned tomorrow
Ukrainian President Volodymyr Zelensky met senior European Union and NATO officials in Brussels in the first foreign visit since his election in April
President Zelensky will meet European Union officials in Brussels for his first foreign visit since his election on April 21.
"We will continue to try and make peace possible in this country," said Germany's foreign affairs minister.
Zelensky has pleaded guilty and was fined around €30.
Ukraine's parliament has voted to make Ukrainian the country's only state language, and to be used in official documents and settings.