David Cameron called on Europe to come up with a "big bazooka" to tackle the debt crisis in the south of the continent.
This week, after a bumpy ride in the Slovakian parliament, all members of the eurozone ratified the enlargement of the 'European Financial Stability Facility (EFSF) - a fund that now stands at €440bn worth of guarantees.
The trouble is, barely any economists believe that the fund is big enough.
German economist Ansgar Belke (professor at Duisburg-Essen University) tells us that the fund was designed with Greece and Portugal in mind not Spain or Italy.
With German taxpayers unwilling to cover more of southern Europe's debt and the European Central Bank unwilling to step in further, a more complex solution is required.
Sony Kapoor, managing director of the think tank Re-Define believes that the best hope is to "leverage" the EFSF and explains how exactly that could be done.
Some critics have warned against recreating in Europe the kinds of financial instruments that led to the crisis in the first place, but Brussels is running out of weapons to fight the debt crisis. And as it stands, it appears that the EU needs a bigger "bazooka".
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