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Greece could today become the first developed economy to default on IMF debts - worth in total 1.6 billion Euros. A former Irish government minister, Dick Roche, tells us the adversarial tactics used by Greek negotiators in recent weeks might themselves have done a lot to accelerate the crisis. Meanwhile credit controls in Greece continue to bite. We assess how they are affecting citizens and businesses, and we find out from Koen De Leus, senior economist at KBC Group, how far a contagion in the eurozone can be avoided if Grexit becomes a reality.

Away from Europe, we also examine the risks of a full-blown stock market crash in China - stocks in Shanghai have fallen some 25% this month. We ask Patrick Chovanec of Silvercrest Asset Management what is really going on, and what have 'dancing grannies' got to do with it?

(Photo: Demonstrators during a rally in Athens. Credit: Milos Bicanski/Getty Images)