epa04821874 Greek Prime Minister Alexis Tsipras checks documents as he attends a debate on the referendum in a plenary session of the Greek Parliament, in Athens, Greece, 27 June 2015. Tsipras called for a referendum on the Greek debt deal on 05 July, during a televized speech on Greek state TV. Eurozone finance ministers on 27 June rejected a request to extend the European part of Greece's bailout programme beyond 30 June, casting serious doubts on the Mediterranean nation's permanence in the European common currency. EPA/ALEXANDROS VLACHOS (File: 15484997.jpg )