It was the third round of talks this week between Prime Minister Samaras and his two leftist coalition partners Kouvelis and Venizelos.
They failed to reach a compromise on how to handle the closure of state broadcaster ERT.
Now the leader of the Democratic Left, Kouvelis, says he may pull out of the coalition.
The Prime Minister says he’s determined to continue.
Reporting from Athens, Euronews correspondent Stamatis Giannisis said: “The Greek prime minister’s decision to shut down the state broadcaster essentially signalled the end for the three party coalition. Without the support of the Democratic Left and with only the backing of PASOK, Antonis Samaras will be left with a slim majority of four in parliament. And that could bring touble at any time.”
At ERT headquarters, where journalists have been encamped since the shutdown announcement, employees applauded Kouvelis for his stance. His party wants to see the broadcaster reopen while it is being restructured.