“Deal or default” was the dilemma presented by EU president Donald Tusk on Friday to the Greek government, as he prepared for an urgently called euro summit on Monday to deal with the Greek issue.

“The situation of Greece is getting critical,” Tusk said in a video message Friday.

“We are close to the point where the Greek government will have to choose between accepting what I believe is a good offer of continued support or to head towards default.”

Tusk stressed on Friday how much time had been lost, saying months of negotiations “have not led to the necessary compromise… The game of chicken needs to end, and so does the blame game.”

“This is not a game and there is no time for any games. It is reality with real possible consequences, first and foremost for the Greek people,” he added.

“At the end of the day, this is and can only be a Greek decision and a Greek responsibility. There is still time, but only a few days. Let us use them wisely.”

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