(L-R) Hungarian Prime Minister Viktor Orban , Donald Tusk , the president of the European Council, British Prime Minister David Cameron and Polish Prime Minister Ewa Kopacz arrive for the family pictures during the European Summit of Heads of States and governments at the EU Council headquarters in Brussels, Belgium on 12.02.2015 The EU summit started two hours later than planned, after two of its participants - German Chancellor Angela Merkel and French President Francois Hollande - spent all night negotiating a Ukraine truce deal in Minsk. The European Union leaders are meeting to discuss Greece's economic crisis, EU counterterrorism efforts and the situation in Ukraine. by Wiktor Dabkowski ? Wiktor Dabkowski / eyevine

(L-R) French President Francois Holland, Donald Tusk , the president of the European Council, Polish Prime Minister Ewa Kopacz, President of Romania Traian Basescu leave the room after posing for a Family Picture during EU heads of states meeting at European Council headquarters in Brussels, Belgium on 18.12.2014 Summit will o focus on new investments and the crisis in Ukraine. ? Wiktor Dabkowski / eyevine

Donald Tusk , the president of the European Council (L) talks with Polish Prime Minister Ewa Kopacz during Family Picture during EU heads of states meeting at European Council headquarters in Brussels, Belgium on 18.12.2014 Summit will o focus on new investments and the crisis in Ukraine. by Wiktor Dabkowski

Polish Prime Minister Ewa Kopacz arrives at the start of the second day of the European head of states summit at in Brussels, Belgium on 24.10.2014 he two-day summit of the European Council in Brussels will focus on an ambitious package of climate change targets for 2030 but also tackle the Ebola crisis, economic stagnation, concern over Ukraine and tension in Cyprus over Turkey. ? Wiktor Dabkowski / eyevine