Instability caused by Greek crisis hampers efforts to persuade Chinese to buy European bonds or capitalise European firewall Follow all the latest developments at the G20 summit on our live blog Doubts are rising that the Chinese will be willing to produce funds swiftly to buy European bonds or capitalise the European firewall fund at the G20 summit, partly due to the instability caused by the Greek crisis. The French president, Nicolas Sarkozy, has been urging the Chinese to agree to contribute to his proposed €1tn (£864bn) firewall, the European Financial Stability Facility.