BRU01. Brussels (Belgium), 12/07/2015.- (L-R) German Chancellor Angela Merkel, Spanish Prime Minister Mariano Rajoy, French President Francois Hollande and Greek Prime Minister Alexis Tsipras at the start of eurozone leaders&#039; summit on the Greek crisis at the European Council headquarters in Brussels, Belgium, 12 July 2015. Greece is teetering on the edge of default, cut off from bailout aid, in arrears to the International Monetary Fund (IMF), owing large debt repayments this month and fending off suggestions that it could soon exit the eurozone. (Bélgica, Grecia, Bruselas) EFE/EPA/OLIVIER HOSLET