The Finance Minister Michael Noonan says he is concerned about the liquidity situation in Greece.
Mr Noonan is in Brussels to discuss a bailout deal for Greece at a two-day meeting of Eurozone finance ministers.
Greece is due to make a €770m debt repayment to the International Monetary Fund (IMF) tomorrow.
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It is unlikely a deal will be finalised today.
Mr Noonan says some progress has been made, but time is of the essence.