BRUSSELS (Reuters) - Europe secured an historic agreement to draft a new treaty for deeper economic integration in the euro zone on Friday, but Britain, the region's third largest economy, refused to join the other 26 countries in a fiscal union and was isolated.
The outcome of a two-day European Union summit left financial markets uncertain whether and when more decisive action would be taken to stem a debt crisis that began in Greece in 2009, spread to Portugal, Ireland, Italy and Spain and now threatens France and even economic powerhouse Germany.
A new treaty could take three months to negotiate and may require risky referendums in countries such as Ireland.
Two ECB sources told Reuters the European Central Bank would keep purchases of euro zone government bonds capped for now and take no extra firefighting action. Debt markets were wary. Interbank lending rates eased but Italian 10-year bond yields rose to around 6.5 percent.
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