Q&A: Greek debt crisis

The eurozone has been plunged into renewed turmoil by Greece's decision to hold a referendum on the EU's efforts to bail out its stricken economy.

In October, the European Commission, the European Central Bank (ECB) and the International Monetary Fund (IMF) said they had reached agreement with Greece on reforms to put the nation back on track.

However, the leaders of Germany and France, as well as the IMF, have now said that Athens will not receive its next tranche of emergency aid until Greece decides whether or not to remain in the eurozone.    More Read