(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