Greek Prime Minister Alexis Tsipras walks in front of European flags after he participated in a bilateral meeting with European Commission President Jean-Claude Juncker on the sidelines of the EU meetings in Brussels on Thursday, June 11, 2015. Greek Prime Minister Alexis Tsipras continued his diplomatic offensive on Thursday, meeting with EU ministers as Greece strives to avoid bankruptcy. (AP Photo/Geert Vanden Wijngaert)